20086404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 50756160

約数和(自身を除く): 30669756

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 331, 389, 662, 778, 993, 1167, 1324, 1556, 1986, 2334, 3972, 4303, 4668, 5057, 8606, 10114, 12909, 15171, 17212, 20228, 25818, 30342, 51636, 60684, 128759, 257518, 386277, 515036, 772554, 1545108, 1673867, 3347734, 5021601, 6695468, 10043202, 20086404]

約数ペア:

[(1, 20086404), (2, 10043202), (3, 6695468), (4, 5021601), (6, 3347734), (12, 1673867), (13, 1545108), (26, 772554), (39, 515036), (52, 386277), (78, 257518), (156, 128759), (331, 60684), (389, 51636), (662, 30342), (778, 25818), (993, 20228), (1167, 17212), (1324, 15171), (1556, 12909), (1986, 10114), (2334, 8606), (3972, 5057), (4303, 4668)]