20199366

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{353}}^1$

素因数の和:406

約数の個数: 72

約数和(自身を含む): 50861304

約数和(自身を除く): 30661938

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 153, 187, 198, 289, 306, 353, 374, 561, 578, 706, 867, 1059, 1122, 1683, 1734, 2118, 2601, 3177, 3179, 3366, 3883, 5202, 6001, 6354, 6358, 7766, 9537, 11649, 12002, 18003, 19074, 23298, 28611, 34947, 36006, 54009, 57222, 66011, 69894, 102017, 108018, 132022, 198033, 204034, 306051, 396066, 594099, 612102, 918153, 1122187, 1188198, 1836306, 2244374, 3366561, 6733122, 10099683, 20199366]

約数ペア:

[(1, 20199366), (2, 10099683), (3, 6733122), (6, 3366561), (9, 2244374), (11, 1836306), (17, 1188198), (18, 1122187), (22, 918153), (33, 612102), (34, 594099), (51, 396066), (66, 306051), (99, 204034), (102, 198033), (153, 132022), (187, 108018), (198, 102017), (289, 69894), (306, 66011), (353, 57222), (374, 54009), (561, 36006), (578, 34947), (706, 28611), (867, 23298), (1059, 19074), (1122, 18003), (1683, 12002), (1734, 11649), (2118, 9537), (2601, 7766), (3177, 6358), (3179, 6354), (3366, 6001), (3883, 5202)]