20510334

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9739}}^1$

素因数の和:9766

約数の個数: 40

約数和(自身を含む): 49498680

約数和(自身を除く): 28988346

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 9739, 19478, 29217, 58434, 87651, 126607, 175302, 253214, 262953, 379821, 525906, 759642, 788859, 1139463, 1577718, 2278926, 3418389, 6836778, 10255167, 20510334]

約数ペア:

[(1, 20510334), (2, 10255167), (3, 6836778), (6, 3418389), (9, 2278926), (13, 1577718), (18, 1139463), (26, 788859), (27, 759642), (39, 525906), (54, 379821), (78, 262953), (81, 253214), (117, 175302), (162, 126607), (234, 87651), (351, 58434), (702, 29217), (1053, 19478), (2106, 9739)]