20403780826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3821}}^1\times {\mathrm{18671}}^1$

素因数の和:22518

約数の個数: 32

約数和(自身を含む): 35967649536

約数和(自身を除く): 15563868710

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 3821, 7642, 18671, 37342, 42031, 49673, 84062, 99346, 205381, 242723, 410762, 485446, 546403, 1092806, 2669953, 5339906, 71341891, 142683782, 784760801, 927444583, 1569521602, 1854889166, 10201890413, 20403780826]

約数ペア:

[(1, 20403780826), (2, 10201890413), (11, 1854889166), (13, 1569521602), (22, 927444583), (26, 784760801), (143, 142683782), (286, 71341891), (3821, 5339906), (7642, 2669953), (18671, 1092806), (37342, 546403), (42031, 485446), (49673, 410762), (84062, 242723), (99346, 205381)]