20111872

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3571}}^1$

素因数の和:3600

約数の個数: 40

約数和(自身を含む): 43849872

約数和(自身を除く): 23738000

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3571, 5632, 7142, 14284, 28568, 39281, 57136, 78562, 114272, 157124, 228544, 314248, 457088, 628496, 914176, 1256992, 1828352, 2513984, 5027968, 10055936, 20111872]

約数ペア:

[(1, 20111872), (2, 10055936), (4, 5027968), (8, 2513984), (11, 1828352), (16, 1256992), (22, 914176), (32, 628496), (44, 457088), (64, 314248), (88, 228544), (128, 157124), (176, 114272), (256, 78562), (352, 57136), (512, 39281), (704, 28568), (1408, 14284), (2816, 7142), (3571, 5632)]