20268309985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{83431}}^1$

素因数の和:84085

約数の個数: 32

約数和(自身を含む): 30371917824

約数和(自身を除く): 10103607839

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 631, 3155, 4417, 6941, 22085, 34705, 48587, 83431, 242935, 417155, 584017, 917741, 2920085, 4588705, 6424187, 32120935, 52644961, 263224805, 368514727, 579094571, 1842573635, 2895472855, 4053661997, 20268309985]

約数ペア:

[(1, 20268309985), (5, 4053661997), (7, 2895472855), (11, 1842573635), (35, 579094571), (55, 368514727), (77, 263224805), (385, 52644961), (631, 32120935), (3155, 6424187), (4417, 4588705), (6941, 2920085), (22085, 917741), (34705, 584017), (48587, 417155), (83431, 242935)]