20485710

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3613}}^1$

素因数の和:3639

約数の個数: 80

約数和(自身を含む): 62970336

約数和(自身を除く): 42484626

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3613, 5670, 7226, 10839, 18065, 21678, 25291, 32517, 36130, 50582, 54195, 65034, 75873, 97551, 108390, 126455, 151746, 162585, 195102, 227619, 252910, 292653, 325170, 379365, 455238, 487755, 585306, 682857, 758730, 975510, 1138095, 1365714, 1463265, 2048571, 2276190, 2926530, 3414285, 4097142, 6828570, 10242855, 20485710]

約数ペア:

[(1, 20485710), (2, 10242855), (3, 6828570), (5, 4097142), (6, 3414285), (7, 2926530), (9, 2276190), (10, 2048571), (14, 1463265), (15, 1365714), (18, 1138095), (21, 975510), (27, 758730), (30, 682857), (35, 585306), (42, 487755), (45, 455238), (54, 379365), (63, 325170), (70, 292653), (81, 252910), (90, 227619), (105, 195102), (126, 162585), (135, 151746), (162, 126455), (189, 108390), (210, 97551), (270, 75873), (315, 65034), (378, 54195), (405, 50582), (567, 36130), (630, 32517), (810, 25291), (945, 21678), (1134, 18065), (1890, 10839), (2835, 7226), (3613, 5670)]