20097320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7499}}^1$

素因数の和:7577

約数の個数: 32

約数和(自身を含む): 45900000

約数和(自身を除く): 25802680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7499, 14998, 29996, 37495, 59992, 74990, 149980, 299960, 502433, 1004866, 2009732, 2512165, 4019464, 5024330, 10048660, 20097320]

約数ペア:

[(1, 20097320), (2, 10048660), (4, 5024330), (5, 4019464), (8, 2512165), (10, 2009732), (20, 1004866), (40, 502433), (67, 299960), (134, 149980), (268, 74990), (335, 59992), (536, 37495), (670, 29996), (1340, 14998), (2680, 7499)]