2018990020

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{149113}}^1$

素因数の和:149799

約数の個数: 24

約数和(自身を含む): 4246170264

約数和(自身を除く): 2227180244

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 2708, 3385, 6770, 13540, 149113, 298226, 596452, 745565, 1491130, 2982260, 100949501, 201899002, 403798004, 504747505, 1009495010, 2018990020]

約数ペア:

[(1, 2018990020), (2, 1009495010), (4, 504747505), (5, 403798004), (10, 201899002), (20, 100949501), (677, 2982260), (1354, 1491130), (2708, 745565), (3385, 596452), (6770, 298226), (13540, 149113)]