20122288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2551}}^1$

素因数の和:2605

約数の個数: 40

約数和(自身を含む): 42720480

約数和(自身を除く): 22598192

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 2551, 3944, 5102, 7888, 10204, 20408, 40816, 43367, 73979, 86734, 147958, 173468, 295916, 346936, 591832, 693872, 1183664, 1257643, 2515286, 5030572, 10061144, 20122288]

約数ペア:

[(1, 20122288), (2, 10061144), (4, 5030572), (8, 2515286), (16, 1257643), (17, 1183664), (29, 693872), (34, 591832), (58, 346936), (68, 295916), (116, 173468), (136, 147958), (232, 86734), (272, 73979), (464, 43367), (493, 40816), (986, 20408), (1972, 10204), (2551, 7888), (3944, 5102)]