20073068665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 27782092800

約数和(自身を除く): 7709024135

約数列:

[1, 5, 13, 17, 65, 85, 221, 239, 263, 289, 1105, 1195, 1315, 1445, 3107, 3419, 3757, 4063, 4471, 4913, 15535, 17095, 18785, 20315, 22355, 24565, 52819, 58123, 62857, 63869, 69071, 76007, 264095, 290615, 314285, 319345, 345355, 380035, 817141, 897923, 988091, 1068569, 1174207, 1292119, 4085705, 4489615, 4940455, 5342845, 5871035, 6460595, 13891397, 15264691, 16797547, 18165673, 69456985, 76323455, 83987735, 90828365, 236153749, 308816441, 1180768745, 1544082205, 4014613733, 20073068665]

約数ペア:

[(1, 20073068665), (5, 4014613733), (13, 1544082205), (17, 1180768745), (65, 308816441), (85, 236153749), (221, 90828365), (239, 83987735), (263, 76323455), (289, 69456985), (1105, 18165673), (1195, 16797547), (1315, 15264691), (1445, 13891397), (3107, 6460595), (3419, 5871035), (3757, 5342845), (4063, 4940455), (4471, 4489615), (4913, 4085705), (15535, 1292119), (17095, 1174207), (18785, 1068569), (20315, 988091), (22355, 897923), (24565, 817141), (52819, 380035), (58123, 345355), (62857, 319345), (63869, 314285), (69071, 290615), (76007, 264095)]