20189842452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{917887}}^1$

素因数の和:917957

約数の個数: 72

約数和(自身を含む): 56130686976

約数和(自身を除く): 35940844524

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1692, 1833, 2444, 3666, 5499, 7332, 10998, 21996, 917887, 1835774, 2753661, 3671548, 5507322, 8260983, 11014644, 11932531, 16521966, 23865062, 33043932, 35797593, 43140689, 47730124, 71595186, 86281378, 107392779, 129422067, 143190372, 172562756, 214785558, 258844134, 388266201, 429571116, 517688268, 560828957, 776532402, 1121657914, 1553064804, 1682486871, 2243315828, 3364973742, 5047460613, 6729947484, 10094921226, 20189842452]

約数ペア:

[(1, 20189842452), (2, 10094921226), (3, 6729947484), (4, 5047460613), (6, 3364973742), (9, 2243315828), (12, 1682486871), (13, 1553064804), (18, 1121657914), (26, 776532402), (36, 560828957), (39, 517688268), (47, 429571116), (52, 388266201), (78, 258844134), (94, 214785558), (117, 172562756), (141, 143190372), (156, 129422067), (188, 107392779), (234, 86281378), (282, 71595186), (423, 47730124), (468, 43140689), (564, 35797593), (611, 33043932), (846, 23865062), (1222, 16521966), (1692, 11932531), (1833, 11014644), (2444, 8260983), (3666, 5507322), (5499, 3671548), (7332, 2753661), (10998, 1835774), (21996, 917887)]