20191628176

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30779921}}^1$

素因数の和:30779970

約数の個数: 20

約数和(自身を含む): 40075458444

約数和(自身を除く): 19883830268

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30779921, 61559842, 123119684, 246239368, 492478736, 1261976761, 2523953522, 5047907044, 10095814088, 20191628176]

約数ペア:

[(1, 20191628176), (2, 10095814088), (4, 5047907044), (8, 2523953522), (16, 1261976761), (41, 492478736), (82, 246239368), (164, 123119684), (328, 61559842), (656, 30779921)]