20171206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2357}}^1$

素因数の和:2759

約数の個数: 16

約数和(自身を含む): 33106320

約数和(自身を除く): 12935114

約数列:

[1, 2, 11, 22, 389, 778, 2357, 4279, 4714, 8558, 25927, 51854, 916873, 1833746, 10085603, 20171206]

約数ペア:

[(1, 20171206), (2, 10085603), (11, 1833746), (22, 916873), (389, 51854), (778, 25927), (2357, 8558), (4279, 4714)]