386100020

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{21191}}^1$

素因数の和:22111

約数の個数: 24

約数和(自身を含む): 811738368

約数和(自身を除く): 425638348

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4555, 9110, 18220, 21191, 42382, 84764, 105955, 211910, 423820, 19305001, 38610002, 77220004, 96525005, 193050010, 386100020]

約数ペア:

[(1, 386100020), (2, 193050010), (4, 96525005), (5, 77220004), (10, 38610002), (20, 19305001), (911, 423820), (1822, 211910), (3644, 105955), (4555, 84764), (9110, 42382), (18220, 21191)]