20746236416

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{2939}}^1$

素因数の和:3785

約数の個数: 80

約数和(自身を含む): 43959373920

約数和(自身を除く): 23213137504

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 811, 1088, 1622, 2176, 2939, 3244, 4352, 5878, 6488, 8704, 11756, 12976, 13787, 23512, 25952, 27574, 47024, 49963, 51904, 55148, 94048, 99926, 103808, 110296, 188096, 199852, 207616, 220592, 376192, 399704, 415232, 441184, 752384, 799408, 882368, 1504768, 1598816, 1764736, 2383529, 3197632, 3529472, 4767058, 6395264, 7058944, 9534116, 12790528, 19068232, 25581056, 38136464, 40519993, 76272928, 81039986, 152545856, 162079972, 305091712, 324159944, 610183424, 648319888, 1220366848, 1296639776, 2593279552, 5186559104, 10373118208, 20746236416]

約数ペア:

[(1, 20746236416), (2, 10373118208), (4, 5186559104), (8, 2593279552), (16, 1296639776), (17, 1220366848), (32, 648319888), (34, 610183424), (64, 324159944), (68, 305091712), (128, 162079972), (136, 152545856), (256, 81039986), (272, 76272928), (512, 40519993), (544, 38136464), (811, 25581056), (1088, 19068232), (1622, 12790528), (2176, 9534116), (2939, 7058944), (3244, 6395264), (4352, 4767058), (5878, 3529472), (6488, 3197632), (8704, 2383529), (11756, 1764736), (12976, 1598816), (13787, 1504768), (23512, 882368), (25952, 799408), (27574, 752384), (47024, 441184), (49963, 415232), (51904, 399704), (55148, 376192), (94048, 220592), (99926, 207616), (103808, 199852), (110296, 188096)]