20163702640

素因数分解:

$2^4\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{132169}}^1$

素因数の和:134089

約数の個数: 40

約数和(自身を含む): 46905546960

約数和(自身を除く): 26741844320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1907, 3814, 7628, 9535, 15256, 19070, 30512, 38140, 76280, 132169, 152560, 264338, 528676, 660845, 1057352, 1321690, 2114704, 2643380, 5286760, 10573520, 252046283, 504092566, 1008185132, 1260231415, 2016370264, 2520462830, 4032740528, 5040925660, 10081851320, 20163702640]

約数ペア:

[(1, 20163702640), (2, 10081851320), (4, 5040925660), (5, 4032740528), (8, 2520462830), (10, 2016370264), (16, 1260231415), (20, 1008185132), (40, 504092566), (80, 252046283), (1907, 10573520), (3814, 5286760), (7628, 2643380), (9535, 2114704), (15256, 1321690), (19070, 1057352), (30512, 660845), (38140, 528676), (76280, 264338), (132169, 152560)]