20308638

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1031}}^1$

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 48000384

約数和(自身を除く): 27691746

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 67, 98, 134, 147, 201, 294, 402, 469, 938, 1031, 1407, 2062, 2814, 3093, 3283, 6186, 6566, 7217, 9849, 14434, 19698, 21651, 43302, 50519, 69077, 101038, 138154, 151557, 207231, 303114, 414462, 483539, 967078, 1450617, 2901234, 3384773, 6769546, 10154319, 20308638]

約数ペア:

[(1, 20308638), (2, 10154319), (3, 6769546), (6, 3384773), (7, 2901234), (14, 1450617), (21, 967078), (42, 483539), (49, 414462), (67, 303114), (98, 207231), (134, 151557), (147, 138154), (201, 101038), (294, 69077), (402, 50519), (469, 43302), (938, 21651), (1031, 19698), (1407, 14434), (2062, 9849), (2814, 7217), (3093, 6566), (3283, 6186)]