20424355

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 29449728

約数和(自身を除く): 9025373

約数列:

[1, 5, 7, 35, 41, 43, 205, 215, 287, 301, 331, 1435, 1505, 1655, 1763, 2317, 8815, 11585, 12341, 13571, 14233, 61705, 67855, 71165, 94997, 99631, 474985, 498155, 583553, 2917765, 4084871, 20424355]

約数ペア:

[(1, 20424355), (5, 4084871), (7, 2917765), (35, 583553), (41, 498155), (43, 474985), (205, 99631), (215, 94997), (287, 71165), (301, 67855), (331, 61705), (1435, 14233), (1505, 13571), (1655, 12341), (1763, 11585), (2317, 8815)]