20280449917

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{62549}}^1$

素因数の和:63085

約数の個数: 24

約数和(自身を含む): 25456599000

約数和(自身を除く): 5176149083

約数列:

[1, 7, 13, 49, 91, 509, 637, 3563, 6617, 24941, 46319, 62549, 324233, 437843, 813137, 3064901, 5691959, 31837441, 39843713, 222862087, 413886733, 1560034609, 2897207131, 20280449917]

約数ペア:

[(1, 20280449917), (7, 2897207131), (13, 1560034609), (49, 413886733), (91, 222862087), (509, 39843713), (637, 31837441), (3563, 5691959), (6617, 3064901), (24941, 813137), (46319, 437843), (62549, 324233)]