20274555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{547}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 37246464

約数和(自身を除く): 16971909

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 353, 547, 1059, 1641, 1765, 2471, 2735, 3829, 5295, 7413, 8205, 11487, 12355, 19145, 37065, 57435, 193091, 579273, 965455, 1351637, 2896365, 4054911, 6758185, 20274555]

約数ペア:

[(1, 20274555), (3, 6758185), (5, 4054911), (7, 2896365), (15, 1351637), (21, 965455), (35, 579273), (105, 193091), (353, 57435), (547, 37065), (1059, 19145), (1641, 12355), (1765, 11487), (2471, 8205), (2735, 7413), (3829, 5295)]