20173782724

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{33751}}^1$

素因数の和:33940

約数の個数: 48

約数和(自身を含む): 37764437760

約数和(自身を除く): 17590655036

約数列:

[1, 2, 4, 23, 46, 73, 89, 92, 146, 178, 292, 356, 1679, 2047, 3358, 4094, 6497, 6716, 8188, 12994, 25988, 33751, 67502, 135004, 149431, 298862, 597724, 776273, 1552546, 2463823, 3003839, 3105092, 4927646, 6007678, 9855292, 12015356, 56667929, 69088297, 113335858, 138176594, 219280247, 226671716, 276353188, 438560494, 877120988, 5043445681, 10086891362, 20173782724]

約数ペア:

[(1, 20173782724), (2, 10086891362), (4, 5043445681), (23, 877120988), (46, 438560494), (73, 276353188), (89, 226671716), (92, 219280247), (146, 138176594), (178, 113335858), (292, 69088297), (356, 56667929), (1679, 12015356), (2047, 9855292), (3358, 6007678), (4094, 4927646), (6497, 3105092), (6716, 3003839), (8188, 2463823), (12994, 1552546), (25988, 776273), (33751, 597724), (67502, 298862), (135004, 149431)]