20151894984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{964021}}^1$

素因数の和:964110

約数の個数: 64

約数和(自身を含む): 55064936640

約数和(自身を除く): 34913041656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 156, 201, 268, 312, 402, 536, 804, 871, 1608, 1742, 2613, 3484, 5226, 6968, 10452, 20904, 964021, 1928042, 2892063, 3856084, 5784126, 7712168, 11568252, 12532273, 23136504, 25064546, 37596819, 50129092, 64589407, 75193638, 100258184, 129178814, 150387276, 193768221, 258357628, 300774552, 387536442, 516715256, 775072884, 839662291, 1550145768, 1679324582, 2518986873, 3358649164, 5037973746, 6717298328, 10075947492, 20151894984]

約数ペア:

[(1, 20151894984), (2, 10075947492), (3, 6717298328), (4, 5037973746), (6, 3358649164), (8, 2518986873), (12, 1679324582), (13, 1550145768), (24, 839662291), (26, 775072884), (39, 516715256), (52, 387536442), (67, 300774552), (78, 258357628), (104, 193768221), (134, 150387276), (156, 129178814), (201, 100258184), (268, 75193638), (312, 64589407), (402, 50129092), (536, 37596819), (804, 25064546), (871, 23136504), (1608, 12532273), (1742, 11568252), (2613, 7712168), (3484, 5784126), (5226, 3856084), (6968, 2892063), (10452, 1928042), (20904, 964021)]