20033580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47699}}^1$

素因数の和:47718

約数の個数: 48

約数和(自身を含む): 64108800

約数和(自身を除く): 44075220

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, 47699, 95398, 143097, 190796, 238495, 286194, 333893, 476990, 572388, 667786, 715485, 953980, 1001679, 1335572, 1430970, 1669465, 2003358, 2861940, 3338930, 4006716, 5008395, 6677860, 10016790, 20033580]

約数ペア:

[(1, 20033580), (2, 10016790), (3, 6677860), (4, 5008395), (5, 4006716), (6, 3338930), (7, 2861940), (10, 2003358), (12, 1669465), (14, 1430970), (15, 1335572), (20, 1001679), (21, 953980), (28, 715485), (30, 667786), (35, 572388), (42, 476990), (60, 333893), (70, 286194), (84, 238495), (105, 190796), (140, 143097), (210, 95398), (420, 47699)]