20541430945

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{277231}}^1$

素因数の和:277345

約数の個数: 32

約数和(自身を含む): 29541841920

約数和(自身を除く): 9000410975

約数列:

[1, 5, 7, 29, 35, 73, 145, 203, 365, 511, 1015, 2117, 2555, 10585, 14819, 74095, 277231, 1386155, 1940617, 8039699, 9703085, 20237863, 40198495, 56277893, 101189315, 141665041, 281389465, 586898027, 708325205, 2934490135, 4108286189, 20541430945]

約数ペア:

[(1, 20541430945), (5, 4108286189), (7, 2934490135), (29, 708325205), (35, 586898027), (73, 281389465), (145, 141665041), (203, 101189315), (365, 56277893), (511, 40198495), (1015, 20237863), (2117, 9703085), (2555, 8039699), (10585, 1940617), (14819, 1386155), (74095, 277231)]