20009295

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1439}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 15933105

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1439, 1545, 2781, 4317, 4635, 7195, 12951, 13905, 21585, 38853, 64755, 148217, 194265, 444651, 741085, 1333953, 2223255, 4001859, 6669765, 20009295]

約数ペア:

[(1, 20009295), (3, 6669765), (5, 4001859), (9, 2223255), (15, 1333953), (27, 741085), (45, 444651), (103, 194265), (135, 148217), (309, 64755), (515, 38853), (927, 21585), (1439, 13905), (1545, 12951), (2781, 7195), (4317, 4635)]