20004310

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 37340352

約数和(自身を除く): 17336042

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 410, 485, 503, 970, 1006, 2515, 3977, 5030, 7954, 19885, 20623, 39770, 41246, 48791, 97582, 103115, 206230, 243955, 487910, 2000431, 4000862, 10002155, 20004310]

約数ペア:

[(1, 20004310), (2, 10002155), (5, 4000862), (10, 2000431), (41, 487910), (82, 243955), (97, 206230), (194, 103115), (205, 97582), (410, 48791), (485, 41246), (503, 39770), (970, 20623), (1006, 19885), (2515, 7954), (3977, 5030)]