20687790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1879}}^1$

素因数の和:2256

約数の個数: 32

約数和(自身を含む): 49812480

約数和(自身を除く): 29124690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 367, 734, 1101, 1835, 1879, 2202, 3670, 3758, 5505, 5637, 9395, 11010, 11274, 18790, 28185, 56370, 689593, 1379186, 2068779, 3447965, 4137558, 6895930, 10343895, 20687790]

約数ペア:

[(1, 20687790), (2, 10343895), (3, 6895930), (5, 4137558), (6, 3447965), (10, 2068779), (15, 1379186), (30, 689593), (367, 56370), (734, 28185), (1101, 18790), (1835, 11274), (1879, 11010), (2202, 9395), (3670, 5637), (3758, 5505)]