20455786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 14541974

約数列:

[1, 2, 13, 23, 26, 46, 79, 158, 299, 433, 598, 866, 1027, 1817, 2054, 3634, 5629, 9959, 11258, 19918, 23621, 34207, 47242, 68414, 129467, 258934, 444691, 786761, 889382, 1573522, 10227893, 20455786]

約数ペア:

[(1, 20455786), (2, 10227893), (13, 1573522), (23, 889382), (26, 786761), (46, 444691), (79, 258934), (158, 129467), (299, 68414), (433, 47242), (598, 34207), (866, 23621), (1027, 19918), (1817, 11258), (2054, 9959), (3634, 5629)]