20899681430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{459031}}^1$

素因数の和:459224

約数の個数: 32

約数和(自身を含む): 39164610240

約数和(自身を除く): 18264928810

約数列:

[1, 2, 5, 10, 29, 58, 145, 157, 290, 314, 785, 1570, 4553, 9106, 22765, 45530, 459031, 918062, 2295155, 4590310, 13311899, 26623798, 66559495, 72067867, 133118990, 144135734, 360339335, 720678670, 2089968143, 4179936286, 10449840715, 20899681430]

約数ペア:

[(1, 20899681430), (2, 10449840715), (5, 4179936286), (10, 2089968143), (29, 720678670), (58, 360339335), (145, 144135734), (157, 133118990), (290, 72067867), (314, 66559495), (785, 26623798), (1570, 13311899), (4553, 4590310), (9106, 2295155), (22765, 918062), (45530, 459031)]