20050695

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1201}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 40502592

約数和(自身を除く): 20451897

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 159, 265, 315, 371, 477, 795, 1113, 1201, 1855, 2385, 3339, 3603, 5565, 6005, 8407, 10809, 16695, 18015, 25221, 42035, 54045, 63653, 75663, 126105, 190959, 318265, 378315, 445571, 572877, 954795, 1336713, 2227855, 2864385, 4010139, 6683565, 20050695]

約数ペア:

[(1, 20050695), (3, 6683565), (5, 4010139), (7, 2864385), (9, 2227855), (15, 1336713), (21, 954795), (35, 572877), (45, 445571), (53, 378315), (63, 318265), (105, 190959), (159, 126105), (265, 75663), (315, 63653), (371, 54045), (477, 42035), (795, 25221), (1113, 18015), (1201, 16695), (1855, 10809), (2385, 8407), (3339, 6005), (3603, 5565)]