20115339975

素因数分解:

$3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{493931}}^1$

素因数の和:494128

約数の個数: 36

約数和(自身を含む): 36227936472

約数和(自身を除く): 16112596497

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 181, 225, 543, 905, 1629, 2715, 4525, 8145, 13575, 40725, 493931, 1481793, 2469655, 4445379, 7408965, 12348275, 22226895, 37044825, 89401511, 111134475, 268204533, 447007555, 804613599, 1341022665, 2235037775, 4023067995, 6705113325, 20115339975]

約数ペア:

[(1, 20115339975), (3, 6705113325), (5, 4023067995), (9, 2235037775), (15, 1341022665), (25, 804613599), (45, 447007555), (75, 268204533), (181, 111134475), (225, 89401511), (543, 37044825), (905, 22226895), (1629, 12348275), (2715, 7408965), (4525, 4445379), (8145, 2469655), (13575, 1481793), (40725, 493931)]