20111388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1009}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 51582720

約数和(自身を除く): 31471332

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 151, 302, 453, 604, 906, 1009, 1661, 1812, 2018, 3027, 3322, 4036, 4983, 6054, 6644, 9966, 11099, 12108, 19932, 22198, 33297, 44396, 66594, 133188, 152359, 304718, 457077, 609436, 914154, 1675949, 1828308, 3351898, 5027847, 6703796, 10055694, 20111388]

約数ペア:

[(1, 20111388), (2, 10055694), (3, 6703796), (4, 5027847), (6, 3351898), (11, 1828308), (12, 1675949), (22, 914154), (33, 609436), (44, 457077), (66, 304718), (132, 152359), (151, 133188), (302, 66594), (453, 44396), (604, 33297), (906, 22198), (1009, 19932), (1661, 12108), (1812, 11099), (2018, 9966), (3027, 6644), (3322, 6054), (4036, 4983)]