20136515

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 29036544

約数和(自身を除く): 8900029

約数列:

[1, 5, 7, 31, 35, 67, 155, 217, 277, 335, 469, 1085, 1385, 1939, 2077, 2345, 8587, 9695, 10385, 14539, 18559, 42935, 60109, 72695, 92795, 129913, 300545, 575329, 649565, 2876645, 4027303, 20136515]

約数ペア:

[(1, 20136515), (5, 4027303), (7, 2876645), (31, 649565), (35, 575329), (67, 300545), (155, 129913), (217, 92795), (277, 72695), (335, 60109), (469, 42935), (1085, 18559), (1385, 14539), (1939, 10385), (2077, 9695), (2345, 8587)]