20365910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2897}}^1$

素因数の和:2960

約数の個数: 32

約数和(自身を含む): 39644640

約数和(自身を除く): 19278730

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 2897, 3515, 5794, 7030, 14485, 28970, 55043, 107189, 110086, 214378, 275215, 535945, 550430, 1071890, 2036591, 4073182, 10182955, 20365910]

約数ペア:

[(1, 20365910), (2, 10182955), (5, 4073182), (10, 2036591), (19, 1071890), (37, 550430), (38, 535945), (74, 275215), (95, 214378), (185, 110086), (190, 107189), (370, 55043), (703, 28970), (1406, 14485), (2897, 7030), (3515, 5794)]