20964684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5843}}^1$

素因数の和:5886

約数の個数: 48

約数和(自身を含む): 54980352

約数和(自身を除く): 34015668

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5843, 11686, 17529, 23372, 35058, 70116, 75959, 134389, 151918, 227877, 268778, 303836, 403167, 455754, 537556, 806334, 911508, 1612668, 1747057, 3494114, 5241171, 6988228, 10482342, 20964684]

約数ペア:

[(1, 20964684), (2, 10482342), (3, 6988228), (4, 5241171), (6, 3494114), (12, 1747057), (13, 1612668), (23, 911508), (26, 806334), (39, 537556), (46, 455754), (52, 403167), (69, 303836), (78, 268778), (92, 227877), (138, 151918), (156, 134389), (276, 75959), (299, 70116), (598, 35058), (897, 23372), (1196, 17529), (1794, 11686), (3588, 5843)]