20064488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 42197760

約数和(自身を除く): 22133272

約数列:

[1, 2, 4, 8, 17, 34, 43, 47, 68, 73, 86, 94, 136, 146, 172, 188, 292, 344, 376, 584, 731, 799, 1241, 1462, 1598, 2021, 2482, 2924, 3139, 3196, 3431, 4042, 4964, 5848, 6278, 6392, 6862, 8084, 9928, 12556, 13724, 16168, 25112, 27448, 34357, 53363, 58327, 68714, 106726, 116654, 137428, 147533, 213452, 233308, 274856, 295066, 426904, 466616, 590132, 1180264, 2508061, 5016122, 10032244, 20064488]

約数ペア:

[(1, 20064488), (2, 10032244), (4, 5016122), (8, 2508061), (17, 1180264), (34, 590132), (43, 466616), (47, 426904), (68, 295066), (73, 274856), (86, 233308), (94, 213452), (136, 147533), (146, 137428), (172, 116654), (188, 106726), (292, 68714), (344, 58327), (376, 53363), (584, 34357), (731, 27448), (799, 25112), (1241, 16168), (1462, 13724), (1598, 12556), (2021, 9928), (2482, 8084), (2924, 6862), (3139, 6392), (3196, 6278), (3431, 5848), (4042, 4964)]