20158679968

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{756253}}^1$

素因数の和:756294

約数の個数: 72

約数和(自身を含む): 48882746052

約数和(自身を除く): 28724066084

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1568, 1666, 1904, 3332, 3808, 6664, 13328, 26656, 756253, 1512506, 3025012, 5293771, 6050024, 10587542, 12100048, 12856301, 21175084, 24200096, 25712602, 37056397, 42350168, 51425204, 74112794, 84700336, 89994107, 102850408, 148225588, 169400672, 179988214, 205700816, 296451176, 359976428, 411401632, 592902352, 629958749, 719952856, 1185804704, 1259917498, 1439905712, 2519834996, 2879811424, 5039669992, 10079339984, 20158679968]

約数ペア:

[(1, 20158679968), (2, 10079339984), (4, 5039669992), (7, 2879811424), (8, 2519834996), (14, 1439905712), (16, 1259917498), (17, 1185804704), (28, 719952856), (32, 629958749), (34, 592902352), (49, 411401632), (56, 359976428), (68, 296451176), (98, 205700816), (112, 179988214), (119, 169400672), (136, 148225588), (196, 102850408), (224, 89994107), (238, 84700336), (272, 74112794), (392, 51425204), (476, 42350168), (544, 37056397), (784, 25712602), (833, 24200096), (952, 21175084), (1568, 12856301), (1666, 12100048), (1904, 10587542), (3332, 6050024), (3808, 5293771), (6664, 3025012), (13328, 1512506), (26656, 756253)]