20791065780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{6037}}^1$

素因数の和:6143

約数の個数: 216

約数和(自身を含む): 67827293352

約数和(自身を除く): 47036227572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 114, 159, 171, 180, 190, 212, 228, 265, 285, 318, 342, 361, 380, 477, 530, 570, 636, 684, 722, 795, 855, 954, 1007, 1060, 1083, 1140, 1444, 1590, 1710, 1805, 1908, 2014, 2166, 2385, 3021, 3180, 3249, 3420, 3610, 4028, 4332, 4770, 5035, 5415, 6037, 6042, 6498, 7220, 9063, 9540, 10070, 10830, 12074, 12084, 12996, 15105, 16245, 18111, 18126, 19133, 20140, 21660, 24148, 30185, 30210, 32490, 36222, 36252, 38266, 45315, 54333, 57399, 60370, 60420, 64980, 72444, 76532, 90555, 90630, 95665, 108666, 114703, 114798, 120740, 172197, 181110, 181260, 191330, 217332, 229406, 229596, 271665, 286995, 319961, 344109, 344394, 362220, 382660, 458812, 543330, 573515, 573990, 639922, 688218, 688788, 860985, 959883, 1032327, 1086660, 1147030, 1147980, 1279844, 1376436, 1599805, 1720545, 1721970, 1919766, 2064654, 2179357, 2294060, 2879649, 3199610, 3441090, 3443940, 3839532, 4129308, 4358714, 4799415, 5161635, 5759298, 6079259, 6399220, 6538071, 6882180, 8717428, 9598830, 10323270, 10896785, 11518596, 12158518, 13076142, 14398245, 18237777, 19197660, 19614213, 20646540, 21793570, 24317036, 26152284, 28796490, 30396295, 32690355, 36475554, 39228426, 43587140, 54713331, 57592980, 60792590, 65380710, 72951108, 78456852, 91188885, 98071065, 109426662, 115505921, 121585180, 130761420, 182377770, 196142130, 218853324, 231011842, 273566655, 346517763, 364755540, 392284260, 462023684, 547133310, 577529605, 693035526, 1039553289, 1094266620, 1155059210, 1386071052, 1732588815, 2079106578, 2310118420, 3465177630, 4158213156, 5197766445, 6930355260, 10395532890, 20791065780]

約数ペア:

[(1, 20791065780), (2, 10395532890), (3, 6930355260), (4, 5197766445), (5, 4158213156), (6, 3465177630), (9, 2310118420), (10, 2079106578), (12, 1732588815), (15, 1386071052), (18, 1155059210), (19, 1094266620), (20, 1039553289), (30, 693035526), (36, 577529605), (38, 547133310), (45, 462023684), (53, 392284260), (57, 364755540), (60, 346517763), (76, 273566655), (90, 231011842), (95, 218853324), (106, 196142130), (114, 182377770), (159, 130761420), (171, 121585180), (180, 115505921), (190, 109426662), (212, 98071065), (228, 91188885), (265, 78456852), (285, 72951108), (318, 65380710), (342, 60792590), (361, 57592980), (380, 54713331), (477, 43587140), (530, 39228426), (570, 36475554), (636, 32690355), (684, 30396295), (722, 28796490), (795, 26152284), (855, 24317036), (954, 21793570), (1007, 20646540), (1060, 19614213), (1083, 19197660), (1140, 18237777), (1444, 14398245), (1590, 13076142), (1710, 12158518), (1805, 11518596), (1908, 10896785), (2014, 10323270), (2166, 9598830), (2385, 8717428), (3021, 6882180), (3180, 6538071), (3249, 6399220), (3420, 6079259), (3610, 5759298), (4028, 5161635), (4332, 4799415), (4770, 4358714), (5035, 4129308), (5415, 3839532), (6037, 3443940), (6042, 3441090), (6498, 3199610), (7220, 2879649), (9063, 2294060), (9540, 2179357), (10070, 2064654), (10830, 1919766), (12074, 1721970), (12084, 1720545), (12996, 1599805), (15105, 1376436), (16245, 1279844), (18111, 1147980), (18126, 1147030), (19133, 1086660), (20140, 1032327), (21660, 959883), (24148, 860985), (30185, 688788), (30210, 688218), (32490, 639922), (36222, 573990), (36252, 573515), (38266, 543330), (45315, 458812), (54333, 382660), (57399, 362220), (60370, 344394), (60420, 344109), (64980, 319961), (72444, 286995), (76532, 271665), (90555, 229596), (90630, 229406), (95665, 217332), (108666, 191330), (114703, 181260), (114798, 181110), (120740, 172197)]