20216279370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{821}}^1\times {\mathrm{2393}}^1$

素因数の和:3245

約数の個数: 128

約数和(自身を含む): 56674598400

約数和(自身を除く): 36458319030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 821, 1029, 1470, 1642, 1715, 2058, 2393, 2463, 3430, 4105, 4786, 4926, 5145, 5747, 7179, 8210, 10290, 11494, 11965, 12315, 14358, 16751, 17241, 23930, 24630, 28735, 33502, 34482, 35895, 40229, 50253, 57470, 71790, 80458, 83755, 86205, 100506, 117257, 120687, 167510, 172410, 201145, 234514, 241374, 251265, 281603, 351771, 402290, 502530, 563206, 586285, 603435, 703542, 820799, 844809, 1172570, 1206870, 1408015, 1641598, 1689618, 1758855, 1964653, 2462397, 2816030, 3517710, 3929306, 4103995, 4224045, 4924794, 5893959, 8207990, 8448090, 9823265, 11787918, 12311985, 13752571, 19646530, 24623970, 27505142, 29469795, 41257713, 58939590, 68762855, 82515426, 96267997, 137525710, 192535994, 206288565, 288803991, 412577130, 481339985, 577607982, 673875979, 962679970, 1347751958, 1444019955, 2021627937, 2888039910, 3369379895, 4043255874, 6738759790, 10108139685, 20216279370]

約数ペア:

[(1, 20216279370), (2, 10108139685), (3, 6738759790), (5, 4043255874), (6, 3369379895), (7, 2888039910), (10, 2021627937), (14, 1444019955), (15, 1347751958), (21, 962679970), (30, 673875979), (35, 577607982), (42, 481339985), (49, 412577130), (70, 288803991), (98, 206288565), (105, 192535994), (147, 137525710), (210, 96267997), (245, 82515426), (294, 68762855), (343, 58939590), (490, 41257713), (686, 29469795), (735, 27505142), (821, 24623970), (1029, 19646530), (1470, 13752571), (1642, 12311985), (1715, 11787918), (2058, 9823265), (2393, 8448090), (2463, 8207990), (3430, 5893959), (4105, 4924794), (4786, 4224045), (4926, 4103995), (5145, 3929306), (5747, 3517710), (7179, 2816030), (8210, 2462397), (10290, 1964653), (11494, 1758855), (11965, 1689618), (12315, 1641598), (14358, 1408015), (16751, 1206870), (17241, 1172570), (23930, 844809), (24630, 820799), (28735, 703542), (33502, 603435), (34482, 586285), (35895, 563206), (40229, 502530), (50253, 402290), (57470, 351771), (71790, 281603), (80458, 251265), (83755, 241374), (86205, 234514), (100506, 201145), (117257, 172410), (120687, 167510)]