20541262

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 36426240

約数和(自身を除く): 15884978

約数列:

[1, 2, 7, 14, 61, 67, 122, 134, 359, 427, 469, 718, 854, 938, 2513, 4087, 5026, 8174, 21899, 24053, 28609, 43798, 48106, 57218, 153293, 168371, 306586, 336742, 1467233, 2934466, 10270631, 20541262]

約数ペア:

[(1, 20541262), (2, 10270631), (7, 2934466), (14, 1467233), (61, 336742), (67, 306586), (122, 168371), (134, 153293), (359, 57218), (427, 48106), (469, 43798), (718, 28609), (854, 24053), (938, 21899), (2513, 8174), (4087, 5026)]