20090420973

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{3739}}^1$

素因数の和:3971

約数の個数: 96

約数和(自身を含む): 36546681600

約数和(自身を除く): 16456260627

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 87, 119, 153, 173, 203, 261, 357, 493, 519, 609, 1071, 1211, 1479, 1557, 1827, 2941, 3451, 3633, 3739, 4437, 5017, 8823, 10353, 10899, 11217, 15051, 20587, 26173, 26469, 31059, 33651, 35119, 45153, 61761, 63563, 78519, 85289, 105357, 108431, 185283, 190689, 235557, 255867, 316071, 325293, 444941, 572067, 597023, 646847, 759017, 767601, 975879, 1334823, 1791069, 1843327, 1940541, 2277051, 4004469, 4527929, 5373207, 5529981, 5821623, 6831153, 10996399, 12903289, 13583787, 16589943, 18758563, 32989197, 38709867, 40751361, 56275689, 76974793, 98967591, 116129601, 131309941, 168827067, 230924379, 318895571, 393929823, 692773137, 956686713, 1181789469, 2232268997, 2870060139, 6696806991, 20090420973]

約数ペア:

[(1, 20090420973), (3, 6696806991), (7, 2870060139), (9, 2232268997), (17, 1181789469), (21, 956686713), (29, 692773137), (51, 393929823), (63, 318895571), (87, 230924379), (119, 168827067), (153, 131309941), (173, 116129601), (203, 98967591), (261, 76974793), (357, 56275689), (493, 40751361), (519, 38709867), (609, 32989197), (1071, 18758563), (1211, 16589943), (1479, 13583787), (1557, 12903289), (1827, 10996399), (2941, 6831153), (3451, 5821623), (3633, 5529981), (3739, 5373207), (4437, 4527929), (5017, 4004469), (8823, 2277051), (10353, 1940541), (10899, 1843327), (11217, 1791069), (15051, 1334823), (20587, 975879), (26173, 767601), (26469, 759017), (31059, 646847), (33651, 597023), (35119, 572067), (45153, 444941), (61761, 325293), (63563, 316071), (78519, 255867), (85289, 235557), (105357, 190689), (108431, 185283)]