20238660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:96

約数の個数: 180

約数和(自身を含む): 70649964

約数和(自身を除く): 50411304

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 81, 90, 93, 108, 117, 124, 130, 135, 155, 156, 162, 180, 186, 195, 234, 260, 270, 279, 310, 324, 351, 372, 390, 403, 405, 465, 468, 540, 558, 585, 620, 702, 780, 806, 810, 837, 930, 961, 1053, 1116, 1170, 1209, 1395, 1404, 1612, 1620, 1674, 1755, 1860, 1922, 2015, 2106, 2340, 2418, 2511, 2790, 2883, 3348, 3510, 3627, 3844, 4030, 4185, 4212, 4805, 4836, 5022, 5265, 5580, 5766, 6045, 7020, 7254, 8060, 8370, 8649, 9610, 10044, 10530, 10881, 11532, 12090, 12493, 12555, 14415, 14508, 16740, 17298, 18135, 19220, 21060, 21762, 24180, 24986, 25110, 25947, 28830, 32643, 34596, 36270, 37479, 43245, 43524, 49972, 50220, 51894, 54405, 57660, 62465, 65286, 72540, 74958, 77841, 86490, 103788, 108810, 112437, 124930, 129735, 130572, 149916, 155682, 163215, 172980, 187395, 217620, 224874, 249860, 259470, 311364, 326430, 337311, 374790, 389205, 449748, 518940, 562185, 652860, 674622, 749580, 778410, 1011933, 1124370, 1349244, 1556820, 1686555, 2023866, 2248740, 3373110, 4047732, 5059665, 6746220, 10119330, 20238660]

約数ペア:

[(1, 20238660), (2, 10119330), (3, 6746220), (4, 5059665), (5, 4047732), (6, 3373110), (9, 2248740), (10, 2023866), (12, 1686555), (13, 1556820), (15, 1349244), (18, 1124370), (20, 1011933), (26, 778410), (27, 749580), (30, 674622), (31, 652860), (36, 562185), (39, 518940), (45, 449748), (52, 389205), (54, 374790), (60, 337311), (62, 326430), (65, 311364), (78, 259470), (81, 249860), (90, 224874), (93, 217620), (108, 187395), (117, 172980), (124, 163215), (130, 155682), (135, 149916), (155, 130572), (156, 129735), (162, 124930), (180, 112437), (186, 108810), (195, 103788), (234, 86490), (260, 77841), (270, 74958), (279, 72540), (310, 65286), (324, 62465), (351, 57660), (372, 54405), (390, 51894), (403, 50220), (405, 49972), (465, 43524), (468, 43245), (540, 37479), (558, 36270), (585, 34596), (620, 32643), (702, 28830), (780, 25947), (806, 25110), (810, 24986), (837, 24180), (930, 21762), (961, 21060), (1053, 19220), (1116, 18135), (1170, 17298), (1209, 16740), (1395, 14508), (1404, 14415), (1612, 12555), (1620, 12493), (1674, 12090), (1755, 11532), (1860, 10881), (1922, 10530), (2015, 10044), (2106, 9610), (2340, 8649), (2418, 8370), (2511, 8060), (2790, 7254), (2883, 7020), (3348, 6045), (3510, 5766), (3627, 5580), (3844, 5265), (4030, 5022), (4185, 4836), (4212, 4805)]