20613465

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5519}}^1$

素因数の和:5613

約数の個数: 24

約数和(自身を含む): 36167040

約数和(自身を除く): 15553575

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5519, 16557, 27595, 49671, 82785, 248355, 458077, 1374231, 2290385, 4122693, 6871155, 20613465]

約数ペア:

[(1, 20613465), (3, 6871155), (5, 4122693), (9, 2290385), (15, 1374231), (45, 458077), (83, 248355), (249, 82785), (415, 49671), (747, 27595), (1245, 16557), (3735, 5519)]