20783752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2293}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 42943680

約数和(自身を除く): 22159928

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2266, 2293, 4532, 4586, 9064, 9172, 18344, 25223, 50446, 100892, 201784, 236179, 472358, 944716, 1889432, 2597969, 5195938, 10391876, 20783752]

約数ペア:

[(1, 20783752), (2, 10391876), (4, 5195938), (8, 2597969), (11, 1889432), (22, 944716), (44, 472358), (88, 236179), (103, 201784), (206, 100892), (412, 50446), (824, 25223), (1133, 18344), (2266, 9172), (2293, 9064), (4532, 4586)]