20185800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2015

約数の個数: 96

約数和(自身を含む): 66290400

約数和(自身を除く): 46104600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 136, 150, 170, 200, 204, 255, 300, 340, 408, 425, 510, 600, 680, 850, 1020, 1275, 1700, 1979, 2040, 2550, 3400, 3958, 5100, 5937, 7916, 9895, 10200, 11874, 15832, 19790, 23748, 29685, 33643, 39580, 47496, 49475, 59370, 67286, 79160, 98950, 100929, 118740, 134572, 148425, 168215, 197900, 201858, 237480, 269144, 296850, 336430, 395800, 403716, 504645, 593700, 672860, 807432, 841075, 1009290, 1187400, 1345720, 1682150, 2018580, 2523225, 3364300, 4037160, 5046450, 6728600, 10092900, 20185800]

約数ペア:

[(1, 20185800), (2, 10092900), (3, 6728600), (4, 5046450), (5, 4037160), (6, 3364300), (8, 2523225), (10, 2018580), (12, 1682150), (15, 1345720), (17, 1187400), (20, 1009290), (24, 841075), (25, 807432), (30, 672860), (34, 593700), (40, 504645), (50, 403716), (51, 395800), (60, 336430), (68, 296850), (75, 269144), (85, 237480), (100, 201858), (102, 197900), (120, 168215), (136, 148425), (150, 134572), (170, 118740), (200, 100929), (204, 98950), (255, 79160), (300, 67286), (340, 59370), (408, 49475), (425, 47496), (510, 39580), (600, 33643), (680, 29685), (850, 23748), (1020, 19790), (1275, 15832), (1700, 11874), (1979, 10200), (2040, 9895), (2550, 7916), (3400, 5937), (3958, 5100)]