20470710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52489}}^1$

素因数の和:52512

約数の個数: 32

約数和(自身を含む): 52909920

約数和(自身を除く): 32439210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52489, 104978, 157467, 262445, 314934, 524890, 682357, 787335, 1364714, 1574670, 2047071, 3411785, 4094142, 6823570, 10235355, 20470710]

約数ペア:

[(1, 20470710), (2, 10235355), (3, 6823570), (5, 4094142), (6, 3411785), (10, 2047071), (13, 1574670), (15, 1364714), (26, 787335), (30, 682357), (39, 524890), (65, 314934), (78, 262445), (130, 157467), (195, 104978), (390, 52489)]