20659350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3203}}^1$

素因数の和:3261

約数の個数: 48

約数和(自身を含む): 52443072

約数和(自身を除く): 31783722

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3203, 3225, 6406, 6450, 9609, 16015, 19218, 32030, 48045, 80075, 96090, 137729, 160150, 240225, 275458, 413187, 480450, 688645, 826374, 1377290, 2065935, 3443225, 4131870, 6886450, 10329675, 20659350]

約数ペア:

[(1, 20659350), (2, 10329675), (3, 6886450), (5, 4131870), (6, 3443225), (10, 2065935), (15, 1377290), (25, 826374), (30, 688645), (43, 480450), (50, 413187), (75, 275458), (86, 240225), (129, 160150), (150, 137729), (215, 96090), (258, 80075), (430, 48045), (645, 32030), (1075, 19218), (1290, 16015), (2150, 9609), (3203, 6450), (3225, 6406)]