20687564878

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1\times {\mathrm{2333}}^1$

素因数の和:2832

約数の個数: 32

約数和(自身を含む): 31619911680

約数和(自身を除く): 10932346802

約数列:

[1, 2, 139, 167, 191, 278, 334, 382, 2333, 4666, 23213, 26549, 31897, 46426, 53098, 63794, 324287, 389611, 445603, 648574, 779222, 891206, 4433683, 8867366, 54155929, 61938817, 74415701, 108311858, 123877634, 148831402, 10343782439, 20687564878]

約数ペア:

[(1, 20687564878), (2, 10343782439), (139, 148831402), (167, 123877634), (191, 108311858), (278, 74415701), (334, 61938817), (382, 54155929), (2333, 8867366), (4666, 4433683), (23213, 891206), (26549, 779222), (31897, 648574), (46426, 445603), (53098, 389611), (63794, 324287)]