20406932

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8009}}^1$

素因数の和:8040

約数の個数: 36

約数和(自身を含む): 44743860

約数和(自身を除く): 24336928

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8009, 16018, 32036, 56063, 104117, 112126, 208234, 224252, 392441, 416468, 728819, 784882, 1457638, 1569764, 2915276, 5101733, 10203466, 20406932]

約数ペア:

[(1, 20406932), (2, 10203466), (4, 5101733), (7, 2915276), (13, 1569764), (14, 1457638), (26, 784882), (28, 728819), (49, 416468), (52, 392441), (91, 224252), (98, 208234), (182, 112126), (196, 104117), (364, 56063), (637, 32036), (1274, 16018), (2548, 8009)]