20484675

素因数分解:

$3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{503}}^1$

素因数の和:700

約数の個数: 36

約数和(自身を含む): 36966384

約数和(自身を除く): 16481709

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 181, 225, 503, 543, 905, 1509, 1629, 2515, 2715, 4525, 4527, 7545, 8145, 12575, 13575, 22635, 37725, 40725, 91043, 113175, 273129, 455215, 819387, 1365645, 2276075, 4096935, 6828225, 20484675]

約数ペア:

[(1, 20484675), (3, 6828225), (5, 4096935), (9, 2276075), (15, 1365645), (25, 819387), (45, 455215), (75, 273129), (181, 113175), (225, 91043), (503, 40725), (543, 37725), (905, 22635), (1509, 13575), (1629, 12575), (2515, 8145), (2715, 7545), (4525, 4527)]