20121646488

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{128767}}^1$

素因数の和:129176

約数の個数: 64

約数和(自身を含む): 53402664960

約数和(自身を除く): 33281018472

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 383, 408, 766, 1149, 1532, 2298, 3064, 4596, 6511, 9192, 13022, 19533, 26044, 39066, 52088, 78132, 128767, 156264, 257534, 386301, 515068, 772602, 1030136, 1545204, 2189039, 3090408, 4378078, 6567117, 8756156, 13134234, 17512312, 26268468, 49317761, 52536936, 98635522, 147953283, 197271044, 295906566, 394542088, 591813132, 838401937, 1183626264, 1676803874, 2515205811, 3353607748, 5030411622, 6707215496, 10060823244, 20121646488]

約数ペア:

[(1, 20121646488), (2, 10060823244), (3, 6707215496), (4, 5030411622), (6, 3353607748), (8, 2515205811), (12, 1676803874), (17, 1183626264), (24, 838401937), (34, 591813132), (51, 394542088), (68, 295906566), (102, 197271044), (136, 147953283), (204, 98635522), (383, 52536936), (408, 49317761), (766, 26268468), (1149, 17512312), (1532, 13134234), (2298, 8756156), (3064, 6567117), (4596, 4378078), (6511, 3090408), (9192, 2189039), (13022, 1545204), (19533, 1030136), (26044, 772602), (39066, 515068), (52088, 386301), (78132, 257534), (128767, 156264)]