20145408621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1\times {\mathrm{8821}}^1$

素因数の和:10757

約数の個数: 32

約数和(自身を含む): 29879055360

約数和(自身を除く): 9733646739

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 1889, 5667, 8821, 24557, 26463, 58559, 73671, 114673, 175677, 273451, 344019, 761267, 820353, 2283801, 3554863, 10664589, 16662869, 49988607, 216617297, 516548939, 649851891, 1549646817, 6715136207, 20145408621]

約数ペア:

[(1, 20145408621), (3, 6715136207), (13, 1549646817), (31, 649851891), (39, 516548939), (93, 216617297), (403, 49988607), (1209, 16662869), (1889, 10664589), (5667, 3554863), (8821, 2283801), (24557, 820353), (26463, 761267), (58559, 344019), (73671, 273451), (114673, 175677)]