20747029277

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1\times {\mathrm{911}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 23230609920

約数和(自身を除く): 2483580643

約数列:

[1, 13, 37, 113, 419, 481, 911, 1469, 4181, 5447, 11843, 15503, 33707, 47347, 54353, 102943, 201539, 381709, 438191, 615511, 1338259, 1751839, 3808891, 4962217, 14123233, 22773907, 43133117, 49515583, 183602029, 560730521, 1595925329, 20747029277]

約数ペア:

[(1, 20747029277), (13, 1595925329), (37, 560730521), (113, 183602029), (419, 49515583), (481, 43133117), (911, 22773907), (1469, 14123233), (4181, 4962217), (5447, 3808891), (11843, 1751839), (15503, 1338259), (33707, 615511), (47347, 438191), (54353, 381709), (102943, 201539)]