20472345

素因数分解:

$3^4\times 5^1\times {\mathrm{50549}}^1$

素因数の和:50566

約数の個数: 20

約数和(自身を含む): 36699300

約数和(自身を除く): 16226955

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50549, 151647, 252745, 454941, 758235, 1364823, 2274705, 4094469, 6824115, 20472345]

約数ペア:

[(1, 20472345), (3, 6824115), (5, 4094469), (9, 2274705), (15, 1364823), (27, 758235), (45, 454941), (81, 252745), (135, 151647), (405, 50549)]