20684846

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1277}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 38646720

約数和(自身を除く): 17961874

約数列:

[1, 2, 7, 13, 14, 26, 89, 91, 178, 182, 623, 1157, 1246, 1277, 2314, 2554, 8099, 8939, 16198, 16601, 17878, 33202, 113653, 116207, 227306, 232414, 795571, 1477489, 1591142, 2954978, 10342423, 20684846]

約数ペア:

[(1, 20684846), (2, 10342423), (7, 2954978), (13, 1591142), (14, 1477489), (26, 795571), (89, 232414), (91, 227306), (178, 116207), (182, 113653), (623, 33202), (1157, 17878), (1246, 16601), (1277, 16198), (2314, 8939), (2554, 8099)]