20348580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48449}}^1$

素因数の和:48468

約数の個数: 48

約数和(自身を含む): 65116800

約数和(自身を除く): 44768220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48449, 96898, 145347, 193796, 242245, 290694, 339143, 484490, 581388, 678286, 726735, 968980, 1017429, 1356572, 1453470, 1695715, 2034858, 2906940, 3391430, 4069716, 5087145, 6782860, 10174290, 20348580]

約数ペア:

[(1, 20348580), (2, 10174290), (3, 6782860), (4, 5087145), (5, 4069716), (6, 3391430), (7, 2906940), (10, 2034858), (12, 1695715), (14, 1453470), (15, 1356572), (20, 1017429), (21, 968980), (28, 726735), (30, 678286), (35, 581388), (42, 484490), (60, 339143), (70, 290694), (84, 242245), (105, 193796), (140, 145347), (210, 96898), (420, 48449)]