20178385928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{4229}}^1\times {\mathrm{31391}}^1$

素因数の和:35645

約数の個数: 32

約数和(自身を含む): 39836448000

約数和(自身を除く): 19658062072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 4229, 8458, 16916, 31391, 33832, 62782, 80351, 125564, 160702, 251128, 321404, 596429, 642808, 1192858, 2385716, 4771432, 132752539, 265505078, 531010156, 1062020312, 2522298241, 5044596482, 10089192964, 20178385928]

約数ペア:

[(1, 20178385928), (2, 10089192964), (4, 5044596482), (8, 2522298241), (19, 1062020312), (38, 531010156), (76, 265505078), (152, 132752539), (4229, 4771432), (8458, 2385716), (16916, 1192858), (31391, 642808), (33832, 596429), (62782, 321404), (80351, 251128), (125564, 160702)]