20451170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2039}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19206430

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 295, 590, 1003, 2006, 2039, 4078, 5015, 10030, 10195, 20390, 34663, 69326, 120301, 173315, 240602, 346630, 601505, 1203010, 2045117, 4090234, 10225585, 20451170]

約数ペア:

[(1, 20451170), (2, 10225585), (5, 4090234), (10, 2045117), (17, 1203010), (34, 601505), (59, 346630), (85, 240602), (118, 173315), (170, 120301), (295, 69326), (590, 34663), (1003, 20390), (2006, 10195), (2039, 10030), (4078, 5015)]