20808675846

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7864201}}^1$

素因数の和:7864226

約数の個数: 48

約数和(自身を含む): 53791141680

約数和(自身を除く): 32982465834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7864201, 15728402, 23592603, 47185206, 55049407, 70777809, 110098814, 141555618, 165148221, 212333427, 330296442, 385345849, 424666854, 495444663, 770691698, 990889326, 1156037547, 1486333989, 2312075094, 2972667978, 3468112641, 6936225282, 10404337923, 20808675846]

約数ペア:

[(1, 20808675846), (2, 10404337923), (3, 6936225282), (6, 3468112641), (7, 2972667978), (9, 2312075094), (14, 1486333989), (18, 1156037547), (21, 990889326), (27, 770691698), (42, 495444663), (49, 424666854), (54, 385345849), (63, 330296442), (98, 212333427), (126, 165148221), (147, 141555618), (189, 110098814), (294, 70777809), (378, 55049407), (441, 47185206), (882, 23592603), (1323, 15728402), (2646, 7864201)]