20282144

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21086176

約数列:

[1, 2, 4, 8, 16, 32, 71, 79, 113, 142, 158, 226, 284, 316, 452, 568, 632, 904, 1136, 1264, 1808, 2272, 2528, 3616, 5609, 8023, 8927, 11218, 16046, 17854, 22436, 32092, 35708, 44872, 64184, 71416, 89744, 128368, 142832, 179488, 256736, 285664, 633817, 1267634, 2535268, 5070536, 10141072, 20282144]

約数ペア:

[(1, 20282144), (2, 10141072), (4, 5070536), (8, 2535268), (16, 1267634), (32, 633817), (71, 285664), (79, 256736), (113, 179488), (142, 142832), (158, 128368), (226, 89744), (284, 71416), (316, 64184), (452, 44872), (568, 35708), (632, 32092), (904, 22436), (1136, 17854), (1264, 16046), (1808, 11218), (2272, 8927), (2528, 8023), (3616, 5609)]