20896668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44651}}^1$

素因数の和:44674

約数の個数: 36

約数和(自身を含む): 56886648

約数和(自身を除く): 35989980

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44651, 89302, 133953, 178604, 267906, 401859, 535812, 580463, 803718, 1160926, 1607436, 1741389, 2321852, 3482778, 5224167, 6965556, 10448334, 20896668]

約数ペア:

[(1, 20896668), (2, 10448334), (3, 6965556), (4, 5224167), (6, 3482778), (9, 2321852), (12, 1741389), (13, 1607436), (18, 1160926), (26, 803718), (36, 580463), (39, 535812), (52, 401859), (78, 267906), (117, 178604), (156, 133953), (234, 89302), (468, 44651)]