20216245

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 29023488

約数和(自身を除く): 8807243

約数列:

[1, 5, 7, 35, 37, 67, 185, 233, 259, 335, 469, 1165, 1295, 1631, 2345, 2479, 8155, 8621, 12395, 15611, 17353, 43105, 60347, 78055, 86765, 109277, 301735, 546385, 577607, 2888035, 4043249, 20216245]

約数ペア:

[(1, 20216245), (5, 4043249), (7, 2888035), (35, 577607), (37, 546385), (67, 301735), (185, 109277), (233, 86765), (259, 78055), (335, 60347), (469, 43105), (1165, 17353), (1295, 15611), (1631, 12395), (2345, 8621), (2479, 8155)]