20233640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 32297560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 569, 635, 889, 1016, 1138, 1270, 1778, 2276, 2540, 2845, 3556, 3983, 4445, 4552, 5080, 5690, 7112, 7966, 8890, 11380, 15932, 17780, 19915, 22760, 31864, 35560, 39830, 72263, 79660, 144526, 159320, 289052, 361315, 505841, 578104, 722630, 1011682, 1445260, 2023364, 2529205, 2890520, 4046728, 5058410, 10116820, 20233640]

約数ペア:

[(1, 20233640), (2, 10116820), (4, 5058410), (5, 4046728), (7, 2890520), (8, 2529205), (10, 2023364), (14, 1445260), (20, 1011682), (28, 722630), (35, 578104), (40, 505841), (56, 361315), (70, 289052), (127, 159320), (140, 144526), (254, 79660), (280, 72263), (508, 39830), (569, 35560), (635, 31864), (889, 22760), (1016, 19915), (1138, 17780), (1270, 15932), (1778, 11380), (2276, 8890), (2540, 7966), (2845, 7112), (3556, 5690), (3983, 5080), (4445, 4552)]