20284065

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3989}}^1$

素因数の和:4113

約数の個数: 24

約数和(自身を含む): 35479080

約数和(自身を除く): 15195015

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 3989, 5085, 11967, 19945, 35901, 59835, 179505, 450757, 1352271, 2253785, 4056813, 6761355, 20284065]

約数ペア:

[(1, 20284065), (3, 6761355), (5, 4056813), (9, 2253785), (15, 1352271), (45, 450757), (113, 179505), (339, 59835), (565, 35901), (1017, 19945), (1695, 11967), (3989, 5085)]