20802180042

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{761}}^1\times {\mathrm{216947}}^1$

素因数の和:217723

約数の個数: 48

約数和(自身を含む): 51578085312

約数和(自身を除く): 30775905270

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 761, 1522, 2283, 4566, 5327, 6849, 10654, 13698, 15981, 31962, 47943, 95886, 216947, 433894, 650841, 1301682, 1518629, 1952523, 3037258, 3905046, 4555887, 9111774, 13667661, 27335322, 165096667, 330193334, 495290001, 990580002, 1155676669, 1485870003, 2311353338, 2971740006, 3467030007, 6934060014, 10401090021, 20802180042]

約数ペア:

[(1, 20802180042), (2, 10401090021), (3, 6934060014), (6, 3467030007), (7, 2971740006), (9, 2311353338), (14, 1485870003), (18, 1155676669), (21, 990580002), (42, 495290001), (63, 330193334), (126, 165096667), (761, 27335322), (1522, 13667661), (2283, 9111774), (4566, 4555887), (5327, 3905046), (6849, 3037258), (10654, 1952523), (13698, 1518629), (15981, 1301682), (31962, 650841), (47943, 433894), (95886, 216947)]