20329408

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 56

約数和(自身を含む): 44769024

約数和(自身を除く): 24439616

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 67, 88, 134, 176, 268, 352, 431, 536, 704, 737, 862, 1072, 1474, 1724, 2144, 2948, 3448, 4288, 4741, 5896, 6896, 9482, 11792, 13792, 18964, 23584, 27584, 28877, 37928, 47168, 57754, 75856, 115508, 151712, 231016, 303424, 317647, 462032, 635294, 924064, 1270588, 1848128, 2541176, 5082352, 10164704, 20329408]

約数ペア:

[(1, 20329408), (2, 10164704), (4, 5082352), (8, 2541176), (11, 1848128), (16, 1270588), (22, 924064), (32, 635294), (44, 462032), (64, 317647), (67, 303424), (88, 231016), (134, 151712), (176, 115508), (268, 75856), (352, 57754), (431, 47168), (536, 37928), (704, 28877), (737, 27584), (862, 23584), (1072, 18964), (1474, 13792), (1724, 11792), (2144, 9482), (2948, 6896), (3448, 5896), (4288, 4741)]