20692870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8179}}^1$

素因数の和:8220

約数の個数: 32

約数和(自身を含む): 42405120

約数和(自身を除く): 21712250

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8179, 16358, 40895, 81790, 89969, 179938, 188117, 376234, 449845, 899690, 940585, 1881170, 2069287, 4138574, 10346435, 20692870]

約数ペア:

[(1, 20692870), (2, 10346435), (5, 4138574), (10, 2069287), (11, 1881170), (22, 940585), (23, 899690), (46, 449845), (55, 376234), (110, 188117), (115, 179938), (230, 89969), (253, 81790), (506, 40895), (1265, 16358), (2530, 8179)]