20160822784

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{121909}}^1$

素因数の和:121963

約数の個数: 80

約数和(自身を含む): 44897014800

約数和(自身を除く): 24736192016

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 256, 272, 304, 323, 512, 544, 608, 646, 1088, 1216, 1292, 2176, 2432, 2584, 4352, 4864, 5168, 8704, 9728, 10336, 20672, 41344, 82688, 121909, 165376, 243818, 487636, 975272, 1950544, 2072453, 2316271, 3901088, 4144906, 4632542, 7802176, 8289812, 9265084, 15604352, 16579624, 18530168, 31208704, 33159248, 37060336, 39376607, 62417408, 66318496, 74120672, 78753214, 132636992, 148241344, 157506428, 265273984, 296482688, 315012856, 530547968, 592965376, 630025712, 1061095936, 1185930752, 1260051424, 2520102848, 5040205696, 10080411392, 20160822784]

約数ペア:

[(1, 20160822784), (2, 10080411392), (4, 5040205696), (8, 2520102848), (16, 1260051424), (17, 1185930752), (19, 1061095936), (32, 630025712), (34, 592965376), (38, 530547968), (64, 315012856), (68, 296482688), (76, 265273984), (128, 157506428), (136, 148241344), (152, 132636992), (256, 78753214), (272, 74120672), (304, 66318496), (323, 62417408), (512, 39376607), (544, 37060336), (608, 33159248), (646, 31208704), (1088, 18530168), (1216, 16579624), (1292, 15604352), (2176, 9265084), (2432, 8289812), (2584, 7802176), (4352, 4632542), (4864, 4144906), (5168, 3901088), (8704, 2316271), (9728, 2072453), (10336, 1950544), (20672, 975272), (41344, 487636), (82688, 243818), (121909, 165376)]