2009143376

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{1720157}}^1$

素因数の和:1720238

約数の個数: 20

約数和(自身を含む): 3946042452

約数和(自身を除く): 1936899076

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 1720157, 3440314, 6880628, 13761256, 27522512, 125571461, 251142922, 502285844, 1004571688, 2009143376]

約数ペア:

[(1, 2009143376), (2, 1004571688), (4, 502285844), (8, 251142922), (16, 125571461), (73, 27522512), (146, 13761256), (292, 6880628), (584, 3440314), (1168, 1720157)]