20807765024

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{1237}}^1\times {\mathrm{12821}}^1$

素因数の和:14109

約数の個数: 48

約数和(自身を含む): 42001640856

約数和(自身を除く): 21193875832

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1237, 1312, 2474, 4948, 9896, 12821, 19792, 25642, 39584, 50717, 51284, 101434, 102568, 202868, 205136, 405736, 410272, 525661, 811472, 1051322, 1622944, 2102644, 4205288, 8410576, 15859577, 16821152, 31719154, 63438308, 126876616, 253753232, 507506464, 650242657, 1300485314, 2600970628, 5201941256, 10403882512, 20807765024]

約数ペア:

[(1, 20807765024), (2, 10403882512), (4, 5201941256), (8, 2600970628), (16, 1300485314), (32, 650242657), (41, 507506464), (82, 253753232), (164, 126876616), (328, 63438308), (656, 31719154), (1237, 16821152), (1312, 15859577), (2474, 8410576), (4948, 4205288), (9896, 2102644), (12821, 1622944), (19792, 1051322), (25642, 811472), (39584, 525661), (50717, 410272), (51284, 405736), (101434, 205136), (102568, 202868)]