20189165045

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{49603}}^1$

素因数の和:50045

約数の個数: 32

約数和(自身を含む): 28714763520

約数和(自身を除く): 8525598475

約数列:

[1, 5, 7, 29, 35, 145, 203, 401, 1015, 2005, 2807, 11629, 14035, 49603, 58145, 81403, 248015, 347221, 407015, 1438487, 1736105, 7192435, 10069409, 19890803, 50347045, 99454015, 139235621, 576833287, 696178105, 2884166435, 4037833009, 20189165045]

約数ペア:

[(1, 20189165045), (5, 4037833009), (7, 2884166435), (29, 696178105), (35, 576833287), (145, 139235621), (203, 99454015), (401, 50347045), (1015, 19890803), (2005, 10069409), (2807, 7192435), (11629, 1736105), (14035, 1438487), (49603, 407015), (58145, 347221), (81403, 248015)]