20984190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6791}}^1$

素因数の和:6904

約数の個数: 32

約数和(自身を含む): 50858496

約数和(自身を除く): 29874306

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 6791, 13582, 20373, 33955, 40746, 67910, 101865, 203730, 699473, 1398946, 2098419, 3497365, 4196838, 6994730, 10492095, 20984190]

約数ペア:

[(1, 20984190), (2, 10492095), (3, 6994730), (5, 4196838), (6, 3497365), (10, 2098419), (15, 1398946), (30, 699473), (103, 203730), (206, 101865), (309, 67910), (515, 40746), (618, 33955), (1030, 20373), (1545, 13582), (3090, 6791)]