20512472995

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1\times {\mathrm{20899}}^1$

素因数の和:21907

約数の個数: 32

約数和(自身を含む): 29132928000

約数和(自身を除く): 8620455005

約数列:

[1, 5, 7, 29, 35, 145, 203, 967, 1015, 4835, 6769, 20899, 28043, 33845, 104495, 140215, 146293, 196301, 606071, 731465, 981505, 3030355, 4242497, 20209333, 21212485, 101046665, 141465331, 586070657, 707326655, 2930353285, 4102494599, 20512472995]

約数ペア:

[(1, 20512472995), (5, 4102494599), (7, 2930353285), (29, 707326655), (35, 586070657), (145, 141465331), (203, 101046665), (967, 21212485), (1015, 20209333), (4835, 4242497), (6769, 3030355), (20899, 981505), (28043, 731465), (33845, 606071), (104495, 196301), (140215, 146293)]