20121119

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:298

約数の個数: 16

約数和(自身を含む): 21488544

約数和(自身を除く): 1367425

約数列:

[1, 41, 43, 101, 113, 1763, 4141, 4343, 4633, 4859, 11413, 178063, 199219, 467933, 490759, 20121119]

約数ペア:

[(1, 20121119), (41, 490759), (43, 467933), (101, 199219), (113, 178063), (1763, 11413), (4141, 4859), (4343, 4633)]