20696166

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{131}}^2$

素因数の和:337

約数の個数: 36

約数和(自身を含む): 45861036

約数和(自身を除く): 25164870

約数列:

[1, 2, 3, 6, 9, 18, 67, 131, 134, 201, 262, 393, 402, 603, 786, 1179, 1206, 2358, 8777, 17161, 17554, 26331, 34322, 51483, 52662, 78993, 102966, 154449, 157986, 308898, 1149787, 2299574, 3449361, 6898722, 10348083, 20696166]

約数ペア:

[(1, 20696166), (2, 10348083), (3, 6898722), (6, 3449361), (9, 2299574), (18, 1149787), (67, 308898), (131, 157986), (134, 154449), (201, 102966), (262, 78993), (393, 52662), (402, 51483), (603, 34322), (786, 26331), (1179, 17554), (1206, 17161), (2358, 8777)]