20432580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48649}}^1$

素因数の和:48668

約数の個数: 48

約数和(自身を含む): 65385600

約数和(自身を除く): 44953020

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, 48649, 97298, 145947, 194596, 243245, 291894, 340543, 486490, 583788, 681086, 729735, 972980, 1021629, 1362172, 1459470, 1702715, 2043258, 2918940, 3405430, 4086516, 5108145, 6810860, 10216290, 20432580]

約数ペア:

[(1, 20432580), (2, 10216290), (3, 6810860), (4, 5108145), (5, 4086516), (6, 3405430), (7, 2918940), (10, 2043258), (12, 1702715), (14, 1459470), (15, 1362172), (20, 1021629), (21, 972980), (28, 729735), (30, 681086), (35, 583788), (42, 486490), (60, 340543), (70, 291894), (84, 243245), (105, 194596), (140, 145947), (210, 97298), (420, 48649)]