20673700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12161}}^1$

素因数の和:12192

約数の個数: 36

約数和(自身を含む): 47504772

約数和(自身を除く): 26831072

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12161, 24322, 48644, 60805, 121610, 206737, 243220, 304025, 413474, 608050, 826948, 1033685, 1216100, 2067370, 4134740, 5168425, 10336850, 20673700]

約数ペア:

[(1, 20673700), (2, 10336850), (4, 5168425), (5, 4134740), (10, 2067370), (17, 1216100), (20, 1033685), (25, 826948), (34, 608050), (50, 413474), (68, 304025), (85, 243220), (100, 206737), (170, 121610), (340, 60805), (425, 48644), (850, 24322), (1700, 12161)]