20197802107

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{90059}}^1$

素因数の和:90295

約数の個数: 24

約数和(自身を含む): 24640416000

約数和(自身を除く): 4442613893

約数列:

[1, 7, 23, 49, 161, 199, 1127, 1393, 4577, 9751, 32039, 90059, 224273, 630413, 2071357, 4412891, 14499499, 17921741, 101496493, 125452187, 412200043, 878165309, 2885400301, 20197802107]

約数ペア:

[(1, 20197802107), (7, 2885400301), (23, 878165309), (49, 412200043), (161, 125452187), (199, 101496493), (1127, 17921741), (1393, 14499499), (4577, 4412891), (9751, 2071357), (32039, 630413), (90059, 224273)]