19960112

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30427}}^1$

素因数の和:30476

約数の個数: 20

約数和(自身を含む): 39617256

約数和(自身を除く): 19657144

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30427, 60854, 121708, 243416, 486832, 1247507, 2495014, 4990028, 9980056, 19960112]

約数ペア:

[(1, 19960112), (2, 9980056), (4, 4990028), (8, 2495014), (16, 1247507), (41, 486832), (82, 243416), (164, 121708), (328, 60854), (656, 30427)]