20147452420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1911523}}^1$

素因数の和:1911580

約数の個数: 48

約数和(自身を含む): 46243588608

約数和(自身を除く): 26096136188

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 1911523, 3823046, 7646092, 9557615, 19115230, 32495891, 38230460, 59257213, 64991782, 118514426, 129983564, 162479455, 237028852, 296286065, 324958910, 592572130, 649917820, 1007372621, 1185144260, 2014745242, 4029490484, 5036863105, 10073726210, 20147452420]

約数ペア:

[(1, 20147452420), (2, 10073726210), (4, 5036863105), (5, 4029490484), (10, 2014745242), (17, 1185144260), (20, 1007372621), (31, 649917820), (34, 592572130), (62, 324958910), (68, 296286065), (85, 237028852), (124, 162479455), (155, 129983564), (170, 118514426), (310, 64991782), (340, 59257213), (527, 38230460), (620, 32495891), (1054, 19115230), (2108, 9557615), (2635, 7646092), (5270, 3823046), (10540, 1911523)]