20123190285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{148549}}^1$

素因数の和:149389

約数の個数: 32

約数和(自身を含む): 35167132800

約数和(自身を除く): 15043942515

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 821, 2463, 4105, 9031, 12315, 27093, 45155, 135465, 148549, 445647, 742745, 1634039, 2228235, 4902117, 8170195, 24510585, 121958729, 365876187, 609793645, 1341546019, 1829380935, 4024638057, 6707730095, 20123190285]

約数ペア:

[(1, 20123190285), (3, 6707730095), (5, 4024638057), (11, 1829380935), (15, 1341546019), (33, 609793645), (55, 365876187), (165, 121958729), (821, 24510585), (2463, 8170195), (4105, 4902117), (9031, 2228235), (12315, 1634039), (27093, 742745), (45155, 445647), (135465, 148549)]