20163779314

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{72481}}^1$

素因数の和:73162

約数の個数: 32

約数和(自身を含む): 35737684992

約数和(自身を除く): 15573905678

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 641, 1282, 4487, 8974, 19871, 39742, 72481, 139097, 144962, 278194, 507367, 1014734, 2246911, 4493822, 15728377, 31456754, 46460321, 92920642, 325222247, 650444494, 1440269951, 2880539902, 10081889657, 20163779314]

約数ペア:

[(1, 20163779314), (2, 10081889657), (7, 2880539902), (14, 1440269951), (31, 650444494), (62, 325222247), (217, 92920642), (434, 46460321), (641, 31456754), (1282, 15728377), (4487, 4493822), (8974, 2246911), (19871, 1014734), (39742, 507367), (72481, 278194), (139097, 144962)]