20803430408

素因数分解:

$2^3\times {\mathrm{241}}^1\times {\mathrm{2003}}^1\times {\mathrm{5387}}^1$

素因数の和:7637

約数の個数: 32

約数和(自身を含む): 39195113760

約数和(自身を除く): 18391683352

約数列:

[1, 2, 4, 8, 241, 482, 964, 1928, 2003, 4006, 5387, 8012, 10774, 16024, 21548, 43096, 482723, 965446, 1298267, 1930892, 2596534, 3861784, 5193068, 10386136, 10790161, 21580322, 43160644, 86321288, 2600428801, 5200857602, 10401715204, 20803430408]

約数ペア:

[(1, 20803430408), (2, 10401715204), (4, 5200857602), (8, 2600428801), (241, 86321288), (482, 43160644), (964, 21580322), (1928, 10790161), (2003, 10386136), (4006, 5193068), (5387, 3861784), (8012, 2596534), (10774, 1930892), (16024, 1298267), (21548, 965446), (43096, 482723)]