206431460

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{31183}}^1$

素因数の和:31523

約数の個数: 24

約数和(自身を含む): 434829696

約数和(自身を除く): 228398236

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 31183, 62366, 124732, 155915, 311830, 623660, 10321573, 20643146, 41286292, 51607865, 103215730, 206431460]

約数ペア:

[(1, 206431460), (2, 103215730), (4, 51607865), (5, 41286292), (10, 20643146), (20, 10321573), (331, 623660), (662, 311830), (1324, 155915), (1655, 124732), (3310, 62366), (6620, 31183)]