20023860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5471}}^1$

素因数の和:5544

約数の個数: 48

約数和(自身を含む): 56996352

約数和(自身を除く): 36972492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5471, 10942, 16413, 21884, 27355, 32826, 54710, 65652, 82065, 109420, 164130, 328260, 333731, 667462, 1001193, 1334924, 1668655, 2002386, 3337310, 4004772, 5005965, 6674620, 10011930, 20023860]

約数ペア:

[(1, 20023860), (2, 10011930), (3, 6674620), (4, 5005965), (5, 4004772), (6, 3337310), (10, 2002386), (12, 1668655), (15, 1334924), (20, 1001193), (30, 667462), (60, 333731), (61, 328260), (122, 164130), (183, 109420), (244, 82065), (305, 65652), (366, 54710), (610, 32826), (732, 27355), (915, 21884), (1220, 16413), (1830, 10942), (3660, 5471)]