20954652

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^2\times {\mathrm{389}}^1$

素因数の和:530

約数の個数: 36

約数和(自身を含む): 49762440

約数和(自身を除く): 28807788

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 389, 402, 778, 804, 1167, 1556, 2334, 4489, 4668, 8978, 13467, 17956, 26063, 26934, 52126, 53868, 78189, 104252, 156378, 312756, 1746221, 3492442, 5238663, 6984884, 10477326, 20954652]

約数ペア:

[(1, 20954652), (2, 10477326), (3, 6984884), (4, 5238663), (6, 3492442), (12, 1746221), (67, 312756), (134, 156378), (201, 104252), (268, 78189), (389, 53868), (402, 52126), (778, 26934), (804, 26063), (1167, 17956), (1556, 13467), (2334, 8978), (4489, 4668)]