20731158

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4013}}^1$

素因数の和:4069

約数の個数: 48

約数和(自身を含む): 52599456

約数和(自身を除く): 31868298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 4013, 5166, 8026, 12039, 24078, 28091, 36117, 56182, 72234, 84273, 164533, 168546, 252819, 329066, 493599, 505638, 987198, 1151731, 1480797, 2303462, 2961594, 3455193, 6910386, 10365579, 20731158]

約数ペア:

[(1, 20731158), (2, 10365579), (3, 6910386), (6, 3455193), (7, 2961594), (9, 2303462), (14, 1480797), (18, 1151731), (21, 987198), (41, 505638), (42, 493599), (63, 329066), (82, 252819), (123, 168546), (126, 164533), (246, 84273), (287, 72234), (369, 56182), (574, 36117), (738, 28091), (861, 24078), (1722, 12039), (2583, 8026), (4013, 5166)]