19970580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2797}}^1$

素因数の和:2833

約数の個数: 96

約数和(自身を含む): 67689216

約数和(自身を除く): 47718636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 2797, 3570, 5594, 7140, 8391, 11188, 13985, 16782, 19579, 27970, 33564, 39158, 41955, 47549, 55940, 58737, 78316, 83910, 95098, 97895, 117474, 142647, 167820, 190196, 195790, 234948, 237745, 285294, 293685, 332843, 391580, 475490, 570588, 587370, 665686, 713235, 950980, 998529, 1174740, 1331372, 1426470, 1664215, 1997058, 2852940, 3328430, 3994116, 4992645, 6656860, 9985290, 19970580]

約数ペア:

[(1, 19970580), (2, 9985290), (3, 6656860), (4, 4992645), (5, 3994116), (6, 3328430), (7, 2852940), (10, 1997058), (12, 1664215), (14, 1426470), (15, 1331372), (17, 1174740), (20, 998529), (21, 950980), (28, 713235), (30, 665686), (34, 587370), (35, 570588), (42, 475490), (51, 391580), (60, 332843), (68, 293685), (70, 285294), (84, 237745), (85, 234948), (102, 195790), (105, 190196), (119, 167820), (140, 142647), (170, 117474), (204, 97895), (210, 95098), (238, 83910), (255, 78316), (340, 58737), (357, 55940), (420, 47549), (476, 41955), (510, 39158), (595, 33564), (714, 27970), (1020, 19579), (1190, 16782), (1428, 13985), (1785, 11188), (2380, 8391), (2797, 7140), (3570, 5594)]