20541210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12919}}^1$

素因数の和:12982

約数の個数: 32

約数和(自身を含む): 50232960

約数和(自身を除く): 29691750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 12919, 25838, 38757, 64595, 77514, 129190, 193785, 387570, 684707, 1369414, 2054121, 3423535, 4108242, 6847070, 10270605, 20541210]

約数ペア:

[(1, 20541210), (2, 10270605), (3, 6847070), (5, 4108242), (6, 3423535), (10, 2054121), (15, 1369414), (30, 684707), (53, 387570), (106, 193785), (159, 129190), (265, 77514), (318, 64595), (530, 38757), (795, 25838), (1590, 12919)]