20786256

素因数分解:

$2^4\times 3^2\times {\mathrm{144349}}^1$

素因数の和:144363

約数の個数: 30

約数和(自身を含む): 58173050

約数和(自身を除く): 37386794

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144349, 288698, 433047, 577396, 866094, 1154792, 1299141, 1732188, 2309584, 2598282, 3464376, 5196564, 6928752, 10393128, 20786256]

約数ペア:

[(1, 20786256), (2, 10393128), (3, 6928752), (4, 5196564), (6, 3464376), (8, 2598282), (9, 2309584), (12, 1732188), (16, 1299141), (18, 1154792), (24, 866094), (36, 577396), (48, 433047), (72, 288698), (144, 144349)]