20592414

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27307746

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 71, 82, 123, 131, 142, 213, 246, 262, 369, 393, 426, 639, 738, 786, 1107, 1179, 1278, 1917, 2214, 2358, 2911, 3537, 3834, 5371, 5822, 7074, 8733, 9301, 10742, 16113, 17466, 18602, 26199, 27903, 32226, 48339, 52398, 55806, 78597, 83709, 96678, 145017, 157194, 167418, 251127, 290034, 381341, 502254, 762682, 1144023, 2288046, 3432069, 6864138, 10296207, 20592414]

約数ペア:

[(1, 20592414), (2, 10296207), (3, 6864138), (6, 3432069), (9, 2288046), (18, 1144023), (27, 762682), (41, 502254), (54, 381341), (71, 290034), (82, 251127), (123, 167418), (131, 157194), (142, 145017), (213, 96678), (246, 83709), (262, 78597), (369, 55806), (393, 52398), (426, 48339), (639, 32226), (738, 27903), (786, 26199), (1107, 18602), (1179, 17466), (1278, 16113), (1917, 10742), (2214, 9301), (2358, 8733), (2911, 7074), (3537, 5822), (3834, 5371)]