20115438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1171}}^1$

素因数の和:1592

約数の個数: 32

約数和(自身を含む): 46129920

約数和(自身を除く): 26014482

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 409, 818, 1171, 1227, 2342, 2454, 2863, 3513, 5726, 7026, 8197, 8589, 16394, 17178, 24591, 49182, 478939, 957878, 1436817, 2873634, 3352573, 6705146, 10057719, 20115438]

約数ペア:

[(1, 20115438), (2, 10057719), (3, 6705146), (6, 3352573), (7, 2873634), (14, 1436817), (21, 957878), (42, 478939), (409, 49182), (818, 24591), (1171, 17178), (1227, 16394), (2342, 8589), (2454, 8197), (2863, 7026), (3513, 5726)]