20030520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2351}}^1$

素因数の和:2436

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 40933320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2351, 2840, 4260, 4702, 7053, 8520, 9404, 11755, 14106, 18808, 23510, 28212, 35265, 47020, 56424, 70530, 94040, 141060, 166921, 282120, 333842, 500763, 667684, 834605, 1001526, 1335368, 1669210, 2003052, 2503815, 3338420, 4006104, 5007630, 6676840, 10015260, 20030520]

約数ペア:

[(1, 20030520), (2, 10015260), (3, 6676840), (4, 5007630), (5, 4006104), (6, 3338420), (8, 2503815), (10, 2003052), (12, 1669210), (15, 1335368), (20, 1001526), (24, 834605), (30, 667684), (40, 500763), (60, 333842), (71, 282120), (120, 166921), (142, 141060), (213, 94040), (284, 70530), (355, 56424), (426, 47020), (568, 35265), (710, 28212), (852, 23510), (1065, 18808), (1420, 14106), (1704, 11755), (2130, 9404), (2351, 8520), (2840, 7053), (4260, 4702)]