20367003920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8778881}}^1$

素因数の和:8778923

約数の個数: 40

約数和(自身を含む): 48986161560

約数和(自身を除く): 28619157640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8778881, 17557762, 35115524, 43894405, 70231048, 87788810, 140462096, 175577620, 254587549, 351155240, 509175098, 702310480, 1018350196, 1272937745, 2036700392, 2545875490, 4073400784, 5091750980, 10183501960, 20367003920]

約数ペア:

[(1, 20367003920), (2, 10183501960), (4, 5091750980), (5, 4073400784), (8, 2545875490), (10, 2036700392), (16, 1272937745), (20, 1018350196), (29, 702310480), (40, 509175098), (58, 351155240), (80, 254587549), (116, 175577620), (145, 140462096), (232, 87788810), (290, 70231048), (464, 43894405), (580, 35115524), (1160, 17557762), (2320, 8778881)]