20797770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1135

約数の個数: 64

約数和(自身を含む): 57689856

約数和(自身を除く): 36892086

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 97, 105, 194, 210, 291, 485, 582, 679, 970, 1021, 1358, 1455, 2037, 2042, 2910, 3063, 3395, 4074, 5105, 6126, 6790, 7147, 10185, 10210, 14294, 15315, 20370, 21441, 30630, 35735, 42882, 71470, 99037, 107205, 198074, 214410, 297111, 495185, 594222, 693259, 990370, 1386518, 1485555, 2079777, 2971110, 3466295, 4159554, 6932590, 10398885, 20797770]

約数ペア:

[(1, 20797770), (2, 10398885), (3, 6932590), (5, 4159554), (6, 3466295), (7, 2971110), (10, 2079777), (14, 1485555), (15, 1386518), (21, 990370), (30, 693259), (35, 594222), (42, 495185), (70, 297111), (97, 214410), (105, 198074), (194, 107205), (210, 99037), (291, 71470), (485, 42882), (582, 35735), (679, 30630), (970, 21441), (1021, 20370), (1358, 15315), (1455, 14294), (2037, 10210), (2042, 10185), (2910, 7147), (3063, 6790), (3395, 6126), (4074, 5105)]