20347328

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:637

約数の個数: 56

約数和(自身を含む): 44043600

約数和(自身を除く): 23696272

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 152, 232, 304, 464, 551, 577, 608, 928, 1102, 1154, 1216, 1856, 2204, 2308, 4408, 4616, 8816, 9232, 10963, 16733, 17632, 18464, 21926, 33466, 35264, 36928, 43852, 66932, 87704, 133864, 175408, 267728, 317927, 350816, 535456, 635854, 701632, 1070912, 1271708, 2543416, 5086832, 10173664, 20347328]

約数ペア:

[(1, 20347328), (2, 10173664), (4, 5086832), (8, 2543416), (16, 1271708), (19, 1070912), (29, 701632), (32, 635854), (38, 535456), (58, 350816), (64, 317927), (76, 267728), (116, 175408), (152, 133864), (232, 87704), (304, 66932), (464, 43852), (551, 36928), (577, 35264), (608, 33466), (928, 21926), (1102, 18464), (1154, 17632), (1216, 16733), (1856, 10963), (2204, 9232), (2308, 8816), (4408, 4616)]