20357854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 15100706

約数列:

[1, 2, 11, 19, 22, 38, 113, 209, 226, 418, 431, 862, 1243, 2147, 2486, 4294, 4741, 8189, 9482, 16378, 23617, 47234, 48703, 90079, 97406, 180158, 535733, 925357, 1071466, 1850714, 10178927, 20357854]

約数ペア:

[(1, 20357854), (2, 10178927), (11, 1850714), (19, 1071466), (22, 925357), (38, 535733), (113, 180158), (209, 97406), (226, 90079), (418, 48703), (431, 47234), (862, 23617), (1243, 16378), (2147, 9482), (2486, 8189), (4294, 4741)]