20886016

素因数分解:

$2^9\times {\mathrm{19}}^2\times {\mathrm{113}}^1$

素因数の和:169

約数の個数: 60

約数和(自身を含む): 44432982

約数和(自身を除く): 23546966

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 113, 128, 152, 226, 256, 304, 361, 452, 512, 608, 722, 904, 1216, 1444, 1808, 2147, 2432, 2888, 3616, 4294, 4864, 5776, 7232, 8588, 9728, 11552, 14464, 17176, 23104, 28928, 34352, 40793, 46208, 57856, 68704, 81586, 92416, 137408, 163172, 184832, 274816, 326344, 549632, 652688, 1099264, 1305376, 2610752, 5221504, 10443008, 20886016]

約数ペア:

[(1, 20886016), (2, 10443008), (4, 5221504), (8, 2610752), (16, 1305376), (19, 1099264), (32, 652688), (38, 549632), (64, 326344), (76, 274816), (113, 184832), (128, 163172), (152, 137408), (226, 92416), (256, 81586), (304, 68704), (361, 57856), (452, 46208), (512, 40793), (608, 34352), (722, 28928), (904, 23104), (1216, 17176), (1444, 14464), (1808, 11552), (2147, 9728), (2432, 8588), (2888, 7232), (3616, 5776), (4294, 4864)]