20570889

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 9265911

約数列:

[1, 3, 29, 41, 73, 79, 87, 123, 219, 237, 1189, 2117, 2291, 2993, 3239, 3567, 5767, 6351, 6873, 8979, 9717, 17301, 86797, 93931, 167243, 236447, 260391, 281793, 501729, 709341, 6856963, 20570889]

約数ペア:

[(1, 20570889), (3, 6856963), (29, 709341), (41, 501729), (73, 281793), (79, 260391), (87, 236447), (123, 167243), (219, 93931), (237, 86797), (1189, 17301), (2117, 9717), (2291, 8979), (2993, 6873), (3239, 6351), (3567, 5767)]