20125370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1451}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 38681280

約数和(自身を除く): 18555910

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 1451, 2774, 2902, 6935, 7255, 13870, 14510, 27569, 55138, 105923, 137845, 211846, 275690, 529615, 1059230, 2012537, 4025074, 10062685, 20125370]

約数ペア:

[(1, 20125370), (2, 10062685), (5, 4025074), (10, 2012537), (19, 1059230), (38, 529615), (73, 275690), (95, 211846), (146, 137845), (190, 105923), (365, 55138), (730, 27569), (1387, 14510), (1451, 13870), (2774, 7255), (2902, 6935)]