20338647

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2477}}^1$

素因数の和:2527

約数の個数: 32

約数和(自身を含む): 34255872

約数和(自身を除く): 13917225

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2477, 2737, 7431, 8211, 17339, 42109, 52017, 56971, 126327, 170913, 294763, 398797, 884289, 968507, 1196391, 2905521, 6779549, 20338647]

約数ペア:

[(1, 20338647), (3, 6779549), (7, 2905521), (17, 1196391), (21, 968507), (23, 884289), (51, 398797), (69, 294763), (119, 170913), (161, 126327), (357, 56971), (391, 52017), (483, 42109), (1173, 17339), (2477, 8211), (2737, 7431)]