20338930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 18489230

約数列:

[1, 2, 5, 10, 19, 38, 95, 167, 190, 334, 641, 835, 1282, 1670, 3173, 3205, 6346, 6410, 12179, 15865, 24358, 31730, 60895, 107047, 121790, 214094, 535235, 1070470, 2033893, 4067786, 10169465, 20338930]

約数ペア:

[(1, 20338930), (2, 10169465), (5, 4067786), (10, 2033893), (19, 1070470), (38, 535235), (95, 214094), (167, 121790), (190, 107047), (334, 60895), (641, 31730), (835, 24358), (1282, 15865), (1670, 12179), (3173, 6410), (3205, 6346)]