66617020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{90023}}^1$

素因数の和:90069

約数の個数: 24

約数和(自身を含む): 143678304

約数和(自身を除く): 77061284

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 90023, 180046, 360092, 450115, 900230, 1800460, 3330851, 6661702, 13323404, 16654255, 33308510, 66617020]

約数ペア:

[(1, 66617020), (2, 33308510), (4, 16654255), (5, 13323404), (10, 6661702), (20, 3330851), (37, 1800460), (74, 900230), (148, 450115), (185, 360092), (370, 180046), (740, 90023)]