20656170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{811}}^1$

素因数の和:1107

約数の個数: 48

約数和(自身を含む): 53962272

約数和(自身を除く): 33306102

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 283, 566, 811, 849, 1415, 1622, 1698, 2433, 2547, 2830, 4055, 4245, 4866, 5094, 7299, 8110, 8490, 12165, 12735, 14598, 24330, 25470, 36495, 72990, 229513, 459026, 688539, 1147565, 1377078, 2065617, 2295130, 3442695, 4131234, 6885390, 10328085, 20656170]

約数ペア:

[(1, 20656170), (2, 10328085), (3, 6885390), (5, 4131234), (6, 3442695), (9, 2295130), (10, 2065617), (15, 1377078), (18, 1147565), (30, 688539), (45, 459026), (90, 229513), (283, 72990), (566, 36495), (811, 25470), (849, 24330), (1415, 14598), (1622, 12735), (1698, 12165), (2433, 8490), (2547, 8110), (2830, 7299), (4055, 5094), (4245, 4866)]