20925784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{593}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 42981840

約数和(自身を除く): 22056056

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 401, 593, 802, 1186, 1604, 2372, 3208, 4411, 4744, 6523, 8822, 13046, 17644, 26092, 35288, 52184, 237793, 475586, 951172, 1902344, 2615723, 5231446, 10462892, 20925784]

約数ペア:

[(1, 20925784), (2, 10462892), (4, 5231446), (8, 2615723), (11, 1902344), (22, 951172), (44, 475586), (88, 237793), (401, 52184), (593, 35288), (802, 26092), (1186, 17644), (1604, 13046), (2372, 8822), (3208, 6523), (4411, 4744)]