20068965

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7079}}^1$

素因数の和:7103

約数の個数: 40

約数和(自身を含む): 41120640

約数和(自身を除く): 21051675

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7079, 21237, 35395, 49553, 63711, 106185, 148659, 191133, 247765, 318555, 445977, 573399, 743295, 955665, 1337931, 2229885, 2866995, 4013793, 6689655, 20068965]

約数ペア:

[(1, 20068965), (3, 6689655), (5, 4013793), (7, 2866995), (9, 2229885), (15, 1337931), (21, 955665), (27, 743295), (35, 573399), (45, 445977), (63, 318555), (81, 247765), (105, 191133), (135, 148659), (189, 106185), (315, 63711), (405, 49553), (567, 35395), (945, 21237), (2835, 7079)]