20138379846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{663713}}^1$

素因数の和:664120

約数の個数: 32

約数和(自身を含む): 43486541280

約数和(自身を除く): 23348161434

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 389, 778, 1167, 2334, 5057, 10114, 15171, 30342, 663713, 1327426, 1991139, 3982278, 8628269, 17256538, 25884807, 51769614, 258184357, 516368714, 774553071, 1549106142, 3356396641, 6712793282, 10069189923, 20138379846]

約数ペア:

[(1, 20138379846), (2, 10069189923), (3, 6712793282), (6, 3356396641), (13, 1549106142), (26, 774553071), (39, 516368714), (78, 258184357), (389, 51769614), (778, 25884807), (1167, 17256538), (2334, 8628269), (5057, 3982278), (10114, 1991139), (15171, 1327426), (30342, 663713)]