20865276

素因数分解:

$2^2\times 3^4\times {\mathrm{64399}}^1$

素因数の和:64415

約数の個数: 30

約数和(自身を含む): 54546800

約数和(自身を除く): 33681524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64399, 128798, 193197, 257596, 386394, 579591, 772788, 1159182, 1738773, 2318364, 3477546, 5216319, 6955092, 10432638, 20865276]

約数ペア:

[(1, 20865276), (2, 10432638), (3, 6955092), (4, 5216319), (6, 3477546), (9, 2318364), (12, 1738773), (18, 1159182), (27, 772788), (36, 579591), (54, 386394), (81, 257596), (108, 193197), (162, 128798), (324, 64399)]