20730537

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 31399680

約数和(自身を除く): 10669143

約数列:

[1, 3, 9, 31, 67, 93, 201, 279, 603, 1109, 2077, 3327, 6231, 9981, 18693, 34379, 74303, 103137, 222909, 309411, 668727, 2303393, 6910179, 20730537]

約数ペア:

[(1, 20730537), (3, 6910179), (9, 2303393), (31, 668727), (67, 309411), (93, 222909), (201, 103137), (279, 74303), (603, 34379), (1109, 18693), (2077, 9981), (3327, 6231)]