20124448

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:809

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 22392992

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 74, 92, 148, 184, 296, 368, 592, 736, 739, 851, 1184, 1478, 1702, 2956, 3404, 5912, 6808, 11824, 13616, 16997, 23648, 27232, 27343, 33994, 54686, 67988, 109372, 135976, 218744, 271952, 437488, 543904, 628889, 874976, 1257778, 2515556, 5031112, 10062224, 20124448]

約数ペア:

[(1, 20124448), (2, 10062224), (4, 5031112), (8, 2515556), (16, 1257778), (23, 874976), (32, 628889), (37, 543904), (46, 437488), (74, 271952), (92, 218744), (148, 135976), (184, 109372), (296, 67988), (368, 54686), (592, 33994), (736, 27343), (739, 27232), (851, 23648), (1184, 16997), (1478, 13616), (1702, 11824), (2956, 6808), (3404, 5912)]