22016020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{293}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 53071704

約数和(自身を除く): 31055684

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 293, 340, 442, 578, 586, 884, 1105, 1156, 1172, 1445, 1465, 2210, 2890, 2930, 3757, 3809, 4420, 4981, 5780, 5860, 7514, 7618, 9962, 15028, 15236, 18785, 19045, 19924, 24905, 37570, 38090, 49810, 64753, 75140, 76180, 84677, 99620, 129506, 169354, 259012, 323765, 338708, 423385, 647530, 846770, 1100801, 1295060, 1693540, 2201602, 4403204, 5504005, 11008010, 22016020]

約数ペア:

[(1, 22016020), (2, 11008010), (4, 5504005), (5, 4403204), (10, 2201602), (13, 1693540), (17, 1295060), (20, 1100801), (26, 846770), (34, 647530), (52, 423385), (65, 338708), (68, 323765), (85, 259012), (130, 169354), (170, 129506), (221, 99620), (260, 84677), (289, 76180), (293, 75140), (340, 64753), (442, 49810), (578, 38090), (586, 37570), (884, 24905), (1105, 19924), (1156, 19045), (1172, 18785), (1445, 15236), (1465, 15028), (2210, 9962), (2890, 7618), (2930, 7514), (3757, 5860), (3809, 5780), (4420, 4981)]