20662428

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 49986720

約数和(自身を除く): 29324292

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 173, 222, 269, 346, 444, 519, 538, 692, 807, 1038, 1076, 1614, 2076, 3228, 6401, 9953, 12802, 19203, 19906, 25604, 29859, 38406, 39812, 46537, 59718, 76812, 93074, 119436, 139611, 186148, 279222, 558444, 1721869, 3443738, 5165607, 6887476, 10331214, 20662428]

約数ペア:

[(1, 20662428), (2, 10331214), (3, 6887476), (4, 5165607), (6, 3443738), (12, 1721869), (37, 558444), (74, 279222), (111, 186148), (148, 139611), (173, 119436), (222, 93074), (269, 76812), (346, 59718), (444, 46537), (519, 39812), (538, 38406), (692, 29859), (807, 25604), (1038, 19906), (1076, 19203), (1614, 12802), (2076, 9953), (3228, 6401)]