20407830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7013}}^1$

素因数の和:7120

約数の個数: 32

約数和(自身を含む): 49490784

約数和(自身を除く): 29082954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 291, 485, 582, 970, 1455, 2910, 7013, 14026, 21039, 35065, 42078, 70130, 105195, 210390, 680261, 1360522, 2040783, 3401305, 4081566, 6802610, 10203915, 20407830]

約数ペア:

[(1, 20407830), (2, 10203915), (3, 6802610), (5, 4081566), (6, 3401305), (10, 2040783), (15, 1360522), (30, 680261), (97, 210390), (194, 105195), (291, 70130), (485, 42078), (582, 35065), (970, 21039), (1455, 14026), (2910, 7013)]