20164065766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1\times {\mathrm{20899}}^1$

素因数の和:21820

約数の個数: 32

約数和(自身を含む): 33370444800

約数和(自身を除く): 13206379034

約数列:

[1, 2, 13, 26, 43, 86, 559, 863, 1118, 1726, 11219, 20899, 22438, 37109, 41798, 74218, 271687, 482417, 543374, 898657, 964834, 1797314, 11682541, 18035837, 23365082, 36071674, 234465881, 468931762, 775540991, 1551081982, 10082032883, 20164065766]

約数ペア:

[(1, 20164065766), (2, 10082032883), (13, 1551081982), (26, 775540991), (43, 468931762), (86, 234465881), (559, 36071674), (863, 23365082), (1118, 18035837), (1726, 11682541), (11219, 1797314), (20899, 964834), (22438, 898657), (37109, 543374), (41798, 482417), (74218, 271687)]