20016204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4190

約数の個数: 48

約数和(自身を含む): 51932160

約数和(自身を除く): 31915956

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4139, 4836, 8278, 12417, 16556, 24834, 49668, 53807, 107614, 128309, 161421, 215228, 256618, 322842, 384927, 513236, 645684, 769854, 1539708, 1668017, 3336034, 5004051, 6672068, 10008102, 20016204]

約数ペア:

[(1, 20016204), (2, 10008102), (3, 6672068), (4, 5004051), (6, 3336034), (12, 1668017), (13, 1539708), (26, 769854), (31, 645684), (39, 513236), (52, 384927), (62, 322842), (78, 256618), (93, 215228), (124, 161421), (156, 128309), (186, 107614), (372, 53807), (403, 49668), (806, 24834), (1209, 16556), (1612, 12417), (2418, 8278), (4139, 4836)]