20877376

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1139

約数の個数: 56

約数和(自身を含む): 46597824

約数和(自身を除く): 25720448

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 1091, 1196, 1472, 2182, 2392, 4364, 4784, 8728, 9568, 14183, 17456, 19136, 25093, 28366, 34912, 50186, 56732, 69824, 100372, 113464, 200744, 226928, 326209, 401488, 453856, 652418, 802976, 907712, 1304836, 1605952, 2609672, 5219344, 10438688, 20877376]

約数ペア:

[(1, 20877376), (2, 10438688), (4, 5219344), (8, 2609672), (13, 1605952), (16, 1304836), (23, 907712), (26, 802976), (32, 652418), (46, 453856), (52, 401488), (64, 326209), (92, 226928), (104, 200744), (184, 113464), (208, 100372), (299, 69824), (368, 56732), (416, 50186), (598, 34912), (736, 28366), (832, 25093), (1091, 19136), (1196, 17456), (1472, 14183), (2182, 9568), (2392, 8728), (4364, 4784)]