20050595900

素因数分解:

$2^2\times 5^2\times {\mathrm{3217}}^1\times {\mathrm{62327}}^1$

素因数の和:65558

約数の個数: 36

約数和(自身を含む): 43524016368

約数和(自身を除く): 23473420468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 3217, 6434, 12868, 16085, 32170, 62327, 64340, 80425, 124654, 160850, 249308, 311635, 321700, 623270, 1246540, 1558175, 3116350, 6232700, 200505959, 401011918, 802023836, 1002529795, 2005059590, 4010119180, 5012648975, 10025297950, 20050595900]

約数ペア:

[(1, 20050595900), (2, 10025297950), (4, 5012648975), (5, 4010119180), (10, 2005059590), (20, 1002529795), (25, 802023836), (50, 401011918), (100, 200505959), (3217, 6232700), (6434, 3116350), (12868, 1558175), (16085, 1246540), (32170, 623270), (62327, 321700), (64340, 311635), (80425, 249308), (124654, 160850)]