20036870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1453}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 41456448

約数和(自身を除く): 21419578

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1453, 1970, 2758, 2906, 6895, 7265, 10171, 13790, 14530, 20342, 50855, 101710, 286241, 572482, 1431205, 2003687, 2862410, 4007374, 10018435, 20036870]

約数ペア:

[(1, 20036870), (2, 10018435), (5, 4007374), (7, 2862410), (10, 2003687), (14, 1431205), (35, 572482), (70, 286241), (197, 101710), (394, 50855), (985, 20342), (1379, 14530), (1453, 13790), (1970, 10171), (2758, 7265), (2906, 6895)]