20838390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14779}}^1$

素因数の和:14836

約数の個数: 32

約数和(自身を含む): 51079680

約数和(自身を除く): 30241290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 14779, 29558, 44337, 73895, 88674, 147790, 221685, 443370, 694613, 1389226, 2083839, 3473065, 4167678, 6946130, 10419195, 20838390]

約数ペア:

[(1, 20838390), (2, 10419195), (3, 6946130), (5, 4167678), (6, 3473065), (10, 2083839), (15, 1389226), (30, 694613), (47, 443370), (94, 221685), (141, 147790), (235, 88674), (282, 73895), (470, 44337), (705, 29558), (1410, 14779)]