20113977

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 10222791

約数列:

[1, 3, 13, 37, 39, 53, 111, 159, 263, 481, 689, 789, 1443, 1961, 2067, 3419, 5883, 9731, 10257, 13939, 25493, 29193, 41817, 76479, 126503, 181207, 379509, 515743, 543621, 1547229, 6704659, 20113977]

約数ペア:

[(1, 20113977), (3, 6704659), (13, 1547229), (37, 543621), (39, 515743), (53, 379509), (111, 181207), (159, 126503), (263, 76479), (481, 41817), (689, 29193), (789, 25493), (1443, 13939), (1961, 10257), (2067, 9731), (3419, 5883)]