20815042556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{701}}^1$

素因数の和:900

約数の個数: 192

約数和(自身を含む): 49521798144

約数和(自身を除く): 28706755588

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 53, 68, 77, 106, 107, 119, 154, 187, 212, 214, 238, 308, 371, 374, 428, 476, 583, 701, 742, 748, 749, 901, 1166, 1177, 1309, 1402, 1484, 1498, 1802, 1819, 2332, 2354, 2618, 2804, 2996, 3604, 3638, 4081, 4708, 4907, 5236, 5671, 6307, 7276, 7711, 8162, 8239, 9814, 9911, 11342, 11917, 12614, 12733, 15422, 16324, 16478, 19628, 19822, 20009, 22684, 23834, 25228, 25466, 30844, 32956, 37153, 39644, 39697, 40018, 47668, 50932, 53977, 62381, 69377, 74306, 75007, 79394, 80036, 83419, 96407, 107954, 124762, 131087, 138754, 140063, 148612, 150014, 158788, 166838, 192814, 215908, 249524, 260071, 262174, 277508, 280126, 300028, 333676, 385628, 408683, 436667, 520142, 524348, 525049, 560252, 631601, 674849, 817366, 825077, 873334, 917609, 1040284, 1050098, 1060477, 1263202, 1275119, 1349698, 1634732, 1650154, 1746668, 1835218, 2100196, 2120954, 2526404, 2550238, 2699396, 2860781, 3300308, 3670436, 3975371, 4241908, 4421207, 5100476, 5721562, 5775539, 6947611, 7423339, 7950742, 8842414, 8925833, 11443124, 11551078, 13895222, 14026309, 14846678, 15901484, 17684828, 17851666, 23102156, 27790444, 27827597, 28052618, 29693356, 35703332, 43729081, 48633277, 55655194, 56105236, 67581307, 87458162, 97266554, 98184163, 111310388, 135162614, 174916324, 194533108, 196368326, 270325228, 306103567, 392736652, 473069149, 612207134, 743394377, 946138298, 1224414268, 1486788754, 1892276596, 2973577508, 5203760639, 10407521278, 20815042556]

約数ペア:

[(1, 20815042556), (2, 10407521278), (4, 5203760639), (7, 2973577508), (11, 1892276596), (14, 1486788754), (17, 1224414268), (22, 946138298), (28, 743394377), (34, 612207134), (44, 473069149), (53, 392736652), (68, 306103567), (77, 270325228), (106, 196368326), (107, 194533108), (119, 174916324), (154, 135162614), (187, 111310388), (212, 98184163), (214, 97266554), (238, 87458162), (308, 67581307), (371, 56105236), (374, 55655194), (428, 48633277), (476, 43729081), (583, 35703332), (701, 29693356), (742, 28052618), (748, 27827597), (749, 27790444), (901, 23102156), (1166, 17851666), (1177, 17684828), (1309, 15901484), (1402, 14846678), (1484, 14026309), (1498, 13895222), (1802, 11551078), (1819, 11443124), (2332, 8925833), (2354, 8842414), (2618, 7950742), (2804, 7423339), (2996, 6947611), (3604, 5775539), (3638, 5721562), (4081, 5100476), (4708, 4421207), (4907, 4241908), (5236, 3975371), (5671, 3670436), (6307, 3300308), (7276, 2860781), (7711, 2699396), (8162, 2550238), (8239, 2526404), (9814, 2120954), (9911, 2100196), (11342, 1835218), (11917, 1746668), (12614, 1650154), (12733, 1634732), (15422, 1349698), (16324, 1275119), (16478, 1263202), (19628, 1060477), (19822, 1050098), (20009, 1040284), (22684, 917609), (23834, 873334), (25228, 825077), (25466, 817366), (30844, 674849), (32956, 631601), (37153, 560252), (39644, 525049), (39697, 524348), (40018, 520142), (47668, 436667), (50932, 408683), (53977, 385628), (62381, 333676), (69377, 300028), (74306, 280126), (75007, 277508), (79394, 262174), (80036, 260071), (83419, 249524), (96407, 215908), (107954, 192814), (124762, 166838), (131087, 158788), (138754, 150014), (140063, 148612)]