20042968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 41170320

約数和(自身を除く): 21127352

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 421, 541, 842, 1082, 1684, 2164, 3368, 4328, 4631, 5951, 9262, 11902, 18524, 23804, 37048, 47608, 227761, 455522, 911044, 1822088, 2505371, 5010742, 10021484, 20042968]

約数ペア:

[(1, 20042968), (2, 10021484), (4, 5010742), (8, 2505371), (11, 1822088), (22, 911044), (44, 455522), (88, 227761), (421, 47608), (541, 37048), (842, 23804), (1082, 18524), (1684, 11902), (2164, 9262), (3368, 5951), (4328, 4631)]