20055518

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 15403042

約数列:

[1, 2, 7, 14, 53, 106, 151, 179, 302, 358, 371, 742, 1057, 1253, 2114, 2506, 8003, 9487, 16006, 18974, 27029, 54058, 56021, 66409, 112042, 132818, 189203, 378406, 1432537, 2865074, 10027759, 20055518]

約数ペア:

[(1, 20055518), (2, 10027759), (7, 2865074), (14, 1432537), (53, 378406), (106, 189203), (151, 132818), (179, 112042), (302, 66409), (358, 56021), (371, 54058), (742, 27029), (1057, 18974), (1253, 16006), (2114, 9487), (2506, 8003)]