20953048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137849}}^1$

素因数の和:137874

約数の個数: 16

約数和(自身を含む): 41355000

約数和(自身を除く): 20401952

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137849, 275698, 551396, 1102792, 2619131, 5238262, 10476524, 20953048]

約数ペア:

[(1, 20953048), (2, 10476524), (4, 5238262), (8, 2619131), (19, 1102792), (38, 551396), (76, 275698), (152, 137849)]