20364190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26291810

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 53, 55, 70, 77, 106, 110, 154, 265, 371, 385, 499, 530, 583, 742, 770, 998, 1166, 1855, 2495, 2915, 3493, 3710, 4081, 4990, 5489, 5830, 6986, 8162, 10978, 17465, 20405, 26447, 27445, 34930, 38423, 40810, 52894, 54890, 76846, 132235, 185129, 192115, 264470, 290917, 370258, 384230, 581834, 925645, 1454585, 1851290, 2036419, 2909170, 4072838, 10182095, 20364190]

約数ペア:

[(1, 20364190), (2, 10182095), (5, 4072838), (7, 2909170), (10, 2036419), (11, 1851290), (14, 1454585), (22, 925645), (35, 581834), (53, 384230), (55, 370258), (70, 290917), (77, 264470), (106, 192115), (110, 185129), (154, 132235), (265, 76846), (371, 54890), (385, 52894), (499, 40810), (530, 38423), (583, 34930), (742, 27445), (770, 26447), (998, 20405), (1166, 17465), (1855, 10978), (2495, 8162), (2915, 6986), (3493, 5830), (3710, 5489), (4081, 4990)]