20167980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1599

約数の個数: 96

約数和(自身を含む): 66662400

約数和(自身を除く): 46494420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1549, 1860, 2170, 2604, 3098, 3255, 4340, 4647, 6196, 6510, 7745, 9294, 10843, 13020, 15490, 18588, 21686, 23235, 30980, 32529, 43372, 46470, 48019, 54215, 65058, 92940, 96038, 108430, 130116, 144057, 162645, 192076, 216860, 240095, 288114, 325290, 336133, 480190, 576228, 650580, 672266, 720285, 960380, 1008399, 1344532, 1440570, 1680665, 2016798, 2881140, 3361330, 4033596, 5041995, 6722660, 10083990, 20167980]

約数ペア:

[(1, 20167980), (2, 10083990), (3, 6722660), (4, 5041995), (5, 4033596), (6, 3361330), (7, 2881140), (10, 2016798), (12, 1680665), (14, 1440570), (15, 1344532), (20, 1008399), (21, 960380), (28, 720285), (30, 672266), (31, 650580), (35, 576228), (42, 480190), (60, 336133), (62, 325290), (70, 288114), (84, 240095), (93, 216860), (105, 192076), (124, 162645), (140, 144057), (155, 130116), (186, 108430), (210, 96038), (217, 92940), (310, 65058), (372, 54215), (420, 48019), (434, 46470), (465, 43372), (620, 32529), (651, 30980), (868, 23235), (930, 21686), (1085, 18588), (1302, 15490), (1549, 13020), (1860, 10843), (2170, 9294), (2604, 7745), (3098, 6510), (3255, 6196), (4340, 4647)]