20310394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 34320384

約数和(自身を除く): 14009990

約数列:

[1, 2, 13, 26, 31, 62, 113, 223, 226, 403, 446, 806, 1469, 2899, 2938, 3503, 5798, 6913, 7006, 13826, 25199, 45539, 50398, 89869, 91078, 179738, 327587, 655174, 781169, 1562338, 10155197, 20310394]

約数ペア:

[(1, 20310394), (2, 10155197), (13, 1562338), (26, 781169), (31, 655174), (62, 327587), (113, 179738), (223, 91078), (226, 89869), (403, 50398), (446, 45539), (806, 25199), (1469, 13826), (2899, 7006), (2938, 6913), (3503, 5798)]