201965620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{325751}}^1$

素因数の和:325791

約数の個数: 24

約数和(自身を含む): 437810688

約数和(自身を除く): 235845068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 325751, 651502, 1303004, 1628755, 3257510, 6515020, 10098281, 20196562, 40393124, 50491405, 100982810, 201965620]

約数ペア:

[(1, 201965620), (2, 100982810), (4, 50491405), (5, 40393124), (10, 20196562), (20, 10098281), (31, 6515020), (62, 3257510), (124, 1628755), (155, 1303004), (310, 651502), (620, 325751)]