20653510

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 38750400

約数和(自身を除く): 18096890

約数列:

[1, 2, 5, 10, 29, 58, 145, 229, 290, 311, 458, 622, 1145, 1555, 2290, 3110, 6641, 9019, 13282, 18038, 33205, 45095, 66410, 71219, 90190, 142438, 356095, 712190, 2065351, 4130702, 10326755, 20653510]

約数ペア:

[(1, 20653510), (2, 10326755), (5, 4130702), (10, 2065351), (29, 712190), (58, 356095), (145, 142438), (229, 90190), (290, 71219), (311, 66410), (458, 45095), (622, 33205), (1145, 18038), (1555, 13282), (2290, 9019), (3110, 6641)]