20994098160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{2647}}^1\times {\mathrm{4721}}^1$

素因数の和:7391

約数の個数: 160

約数和(自身を含む): 74422950912

約数和(自身を除く): 53428852752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 2647, 4721, 5294, 7941, 9442, 10588, 13235, 14163, 15882, 18529, 18884, 21176, 23605, 26470, 28326, 31764, 33047, 37058, 37768, 39705, 42352, 47210, 52940, 55587, 56652, 63528, 66094, 70815, 74116, 75536, 79410, 92645, 94420, 99141, 105880, 111174, 113304, 127056, 132188, 141630, 148232, 158820, 165235, 185290, 188840, 198282, 211760, 222348, 226608, 264376, 277935, 283260, 296464, 317640, 330470, 370580, 377680, 396564, 444696, 495705, 528752, 555870, 566520, 635280, 660940, 741160, 793128, 889392, 991410, 1111740, 1133040, 1321880, 1482320, 1586256, 1982820, 2223480, 2643760, 3965640, 4446960, 7931280, 12496487, 24992974, 37489461, 49985948, 62482435, 74978922, 87475409, 99971896, 124964870, 149957844, 174950818, 187447305, 199943792, 249929740, 262426227, 299915688, 349901636, 374894610, 437377045, 499859480, 524852454, 599831376, 699803272, 749789220, 874754090, 999718960, 1049704908, 1312131135, 1399606544, 1499578440, 1749508180, 2099409816, 2624262270, 2999156880, 3499016360, 4198819632, 5248524540, 6998032720, 10497049080, 20994098160]

約数ペア:

[(1, 20994098160), (2, 10497049080), (3, 6998032720), (4, 5248524540), (5, 4198819632), (6, 3499016360), (7, 2999156880), (8, 2624262270), (10, 2099409816), (12, 1749508180), (14, 1499578440), (15, 1399606544), (16, 1312131135), (20, 1049704908), (21, 999718960), (24, 874754090), (28, 749789220), (30, 699803272), (35, 599831376), (40, 524852454), (42, 499859480), (48, 437377045), (56, 374894610), (60, 349901636), (70, 299915688), (80, 262426227), (84, 249929740), (105, 199943792), (112, 187447305), (120, 174950818), (140, 149957844), (168, 124964870), (210, 99971896), (240, 87475409), (280, 74978922), (336, 62482435), (420, 49985948), (560, 37489461), (840, 24992974), (1680, 12496487), (2647, 7931280), (4721, 4446960), (5294, 3965640), (7941, 2643760), (9442, 2223480), (10588, 1982820), (13235, 1586256), (14163, 1482320), (15882, 1321880), (18529, 1133040), (18884, 1111740), (21176, 991410), (23605, 889392), (26470, 793128), (28326, 741160), (31764, 660940), (33047, 635280), (37058, 566520), (37768, 555870), (39705, 528752), (42352, 495705), (47210, 444696), (52940, 396564), (55587, 377680), (56652, 370580), (63528, 330470), (66094, 317640), (70815, 296464), (74116, 283260), (75536, 277935), (79410, 264376), (92645, 226608), (94420, 222348), (99141, 211760), (105880, 198282), (111174, 188840), (113304, 185290), (127056, 165235), (132188, 158820), (141630, 148232)]