20553050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8389}}^1$

素因数の和:8415

約数の個数: 36

約数和(自身を含む): 44475390

約数和(自身を除く): 23922340

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8389, 16778, 41945, 58723, 83890, 117446, 209725, 293615, 411061, 419450, 587230, 822122, 1468075, 2055305, 2936150, 4110610, 10276525, 20553050]

約数ペア:

[(1, 20553050), (2, 10276525), (5, 4110610), (7, 2936150), (10, 2055305), (14, 1468075), (25, 822122), (35, 587230), (49, 419450), (50, 411061), (70, 293615), (98, 209725), (175, 117446), (245, 83890), (350, 58723), (490, 41945), (1225, 16778), (2450, 8389)]