20257260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10891}}^1$

素因数の和:10934

約数の個数: 48

約数和(自身を含む): 58555392

約数和(自身を除く): 38298132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10891, 21782, 32673, 43564, 54455, 65346, 108910, 130692, 163365, 217820, 326730, 337621, 653460, 675242, 1012863, 1350484, 1688105, 2025726, 3376210, 4051452, 5064315, 6752420, 10128630, 20257260]

約数ペア:

[(1, 20257260), (2, 10128630), (3, 6752420), (4, 5064315), (5, 4051452), (6, 3376210), (10, 2025726), (12, 1688105), (15, 1350484), (20, 1012863), (30, 675242), (31, 653460), (60, 337621), (62, 326730), (93, 217820), (124, 163365), (155, 130692), (186, 108910), (310, 65346), (372, 54455), (465, 43564), (620, 32673), (930, 21782), (1860, 10891)]