20218786

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 35642880

約数和(自身を除く): 15424094

約数列:

[1, 2, 7, 14, 79, 101, 158, 181, 202, 362, 553, 707, 1106, 1267, 1414, 2534, 7979, 14299, 15958, 18281, 28598, 36562, 55853, 100093, 111706, 127967, 200186, 255934, 1444199, 2888398, 10109393, 20218786]

約数ペア:

[(1, 20218786), (2, 10109393), (7, 2888398), (14, 1444199), (79, 255934), (101, 200186), (158, 127967), (181, 111706), (202, 100093), (362, 55853), (553, 36562), (707, 28598), (1106, 18281), (1267, 15958), (1414, 14299), (2534, 7979)]