20565643960

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1\times {\mathrm{16979}}^1$

素因数の和:17380

約数の個数: 64

約数和(自身を含む): 46872950400

約数和(自身を除く): 26307306440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 283, 428, 535, 566, 856, 1070, 1132, 1415, 2140, 2264, 2830, 4280, 5660, 11320, 16979, 30281, 33958, 60562, 67916, 84895, 121124, 135832, 151405, 169790, 242248, 302810, 339580, 605620, 679160, 1211240, 1816753, 3633506, 4805057, 7267012, 9083765, 9610114, 14534024, 18167530, 19220228, 24025285, 36335060, 38440456, 48050570, 72670120, 96101140, 192202280, 514141099, 1028282198, 2056564396, 2570705495, 4113128792, 5141410990, 10282821980, 20565643960]

約数ペア:

[(1, 20565643960), (2, 10282821980), (4, 5141410990), (5, 4113128792), (8, 2570705495), (10, 2056564396), (20, 1028282198), (40, 514141099), (107, 192202280), (214, 96101140), (283, 72670120), (428, 48050570), (535, 38440456), (566, 36335060), (856, 24025285), (1070, 19220228), (1132, 18167530), (1415, 14534024), (2140, 9610114), (2264, 9083765), (2830, 7267012), (4280, 4805057), (5660, 3633506), (11320, 1816753), (16979, 1211240), (30281, 679160), (33958, 605620), (60562, 339580), (67916, 302810), (84895, 242248), (121124, 169790), (135832, 151405)]