20122599

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 11557401

約数列:

[1, 3, 7, 21, 59, 109, 149, 177, 327, 413, 447, 763, 1043, 1239, 2289, 3129, 6431, 8791, 16241, 19293, 26373, 45017, 48723, 61537, 113687, 135051, 184611, 341061, 958219, 2874657, 6707533, 20122599]

約数ペア:

[(1, 20122599), (3, 6707533), (7, 2874657), (21, 958219), (59, 341061), (109, 184611), (149, 135051), (177, 113687), (327, 61537), (413, 48723), (447, 45017), (763, 26373), (1043, 19293), (1239, 16241), (2289, 8791), (3129, 6431)]