20200706820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1223}}^1\times {\mathrm{13109}}^1$

素因数の和:14354

約数の個数: 144

約数和(自身を含む): 70091723520

約数和(自身を除く): 49891016700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1223, 1260, 2446, 3669, 4892, 6115, 7338, 8561, 11007, 12230, 13109, 14676, 17122, 18345, 22014, 24460, 25683, 26218, 34244, 36690, 39327, 42805, 44028, 51366, 52436, 55035, 65545, 73380, 77049, 78654, 85610, 91763, 102732, 110070, 117981, 128415, 131090, 154098, 157308, 171220, 183526, 196635, 220140, 235962, 256830, 262180, 275289, 308196, 367052, 385245, 393270, 458815, 471924, 513660, 550578, 589905, 770490, 786540, 825867, 917630, 1101156, 1179810, 1376445, 1540980, 1651734, 1835260, 2359620, 2752890, 3303468, 4129335, 5505780, 8258670, 16032307, 16517340, 32064614, 48096921, 64129228, 80161535, 96193842, 112226149, 144290763, 160323070, 192387684, 224452298, 240484605, 288581526, 320646140, 336678447, 448904596, 480969210, 561130745, 577163052, 673356894, 721453815, 961938420, 1010035341, 1122261490, 1346713788, 1442907630, 1683392235, 2020070682, 2244522980, 2885815260, 3366784470, 4040141364, 5050176705, 6733568940, 10100353410, 20200706820]

約数ペア:

[(1, 20200706820), (2, 10100353410), (3, 6733568940), (4, 5050176705), (5, 4040141364), (6, 3366784470), (7, 2885815260), (9, 2244522980), (10, 2020070682), (12, 1683392235), (14, 1442907630), (15, 1346713788), (18, 1122261490), (20, 1010035341), (21, 961938420), (28, 721453815), (30, 673356894), (35, 577163052), (36, 561130745), (42, 480969210), (45, 448904596), (60, 336678447), (63, 320646140), (70, 288581526), (84, 240484605), (90, 224452298), (105, 192387684), (126, 160323070), (140, 144290763), (180, 112226149), (210, 96193842), (252, 80161535), (315, 64129228), (420, 48096921), (630, 32064614), (1223, 16517340), (1260, 16032307), (2446, 8258670), (3669, 5505780), (4892, 4129335), (6115, 3303468), (7338, 2752890), (8561, 2359620), (11007, 1835260), (12230, 1651734), (13109, 1540980), (14676, 1376445), (17122, 1179810), (18345, 1101156), (22014, 917630), (24460, 825867), (25683, 786540), (26218, 770490), (34244, 589905), (36690, 550578), (39327, 513660), (42805, 471924), (44028, 458815), (51366, 393270), (52436, 385245), (55035, 367052), (65545, 308196), (73380, 275289), (77049, 262180), (78654, 256830), (85610, 235962), (91763, 220140), (102732, 196635), (110070, 183526), (117981, 171220), (128415, 157308), (131090, 154098)]