20388748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4547}}^1$

素因数の和:4629

約数の個数: 24

約数和(自身を含む): 38203200

約数和(自身を除く): 17814452

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 1121, 2242, 4484, 4547, 9094, 18188, 86393, 172786, 268273, 345572, 536546, 1073092, 5097187, 10194374, 20388748]

約数ペア:

[(1, 20388748), (2, 10194374), (4, 5097187), (19, 1073092), (38, 536546), (59, 345572), (76, 268273), (118, 172786), (236, 86393), (1121, 18188), (2242, 9094), (4484, 4547)]