20125508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4663}}^1$

素因数の和:4763

約数の個数: 24

約数和(自身を含む): 38394048

約数和(自身を除く): 18268540

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4663, 9326, 18652, 60619, 121238, 242476, 387029, 774058, 1548116, 5031377, 10062754, 20125508]

約数ペア:

[(1, 20125508), (2, 10062754), (4, 5031377), (13, 1548116), (26, 774058), (52, 387029), (83, 242476), (166, 121238), (332, 60619), (1079, 18652), (2158, 9326), (4316, 4663)]