20109021858

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{491}}^1\times {\mathrm{16369}}^1$

素因数の和:17007

約数の個数: 48

約数和(自身を含む): 43975058400

約数和(自身を除く): 23866036542

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 491, 834, 982, 1251, 1473, 2502, 2946, 4419, 8838, 16369, 32738, 49107, 68249, 98214, 136498, 147321, 204747, 294642, 409494, 614241, 1228482, 2275291, 4550582, 6825873, 8037179, 13651746, 16074358, 20477619, 24111537, 40955238, 48223074, 72334611, 144669222, 1117167881, 2234335762, 3351503643, 6703007286, 10054510929, 20109021858]

約数ペア:

[(1, 20109021858), (2, 10054510929), (3, 6703007286), (6, 3351503643), (9, 2234335762), (18, 1117167881), (139, 144669222), (278, 72334611), (417, 48223074), (491, 40955238), (834, 24111537), (982, 20477619), (1251, 16074358), (1473, 13651746), (2502, 8037179), (2946, 6825873), (4419, 4550582), (8838, 2275291), (16369, 1228482), (32738, 614241), (49107, 409494), (68249, 294642), (98214, 204747), (136498, 147321)]