20894732

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 19022068

約数列:

[1, 2, 4, 29, 43, 58, 59, 71, 86, 116, 118, 142, 172, 236, 284, 1247, 1711, 2059, 2494, 2537, 3053, 3422, 4118, 4189, 4988, 5074, 6106, 6844, 8236, 8378, 10148, 12212, 16756, 73573, 88537, 121481, 147146, 177074, 180127, 242962, 294292, 354148, 360254, 485924, 720508, 5223683, 10447366, 20894732]

約数ペア:

[(1, 20894732), (2, 10447366), (4, 5223683), (29, 720508), (43, 485924), (58, 360254), (59, 354148), (71, 294292), (86, 242962), (116, 180127), (118, 177074), (142, 147146), (172, 121481), (236, 88537), (284, 73573), (1247, 16756), (1711, 12212), (2059, 10148), (2494, 8378), (2537, 8236), (3053, 6844), (3422, 6106), (4118, 5074), (4189, 4988)]