20020576779

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{22769}}^1$

素因数の和:23620

約数の個数: 48

約数和(自身を含む): 35038111680

約数和(自身を除く): 15017534901

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 821, 1071, 2463, 5747, 7389, 13957, 17241, 22769, 41871, 51723, 68307, 97699, 125613, 159383, 204921, 293097, 387073, 478149, 879291, 1161219, 1434447, 2709511, 3483657, 8128533, 18693349, 24385599, 56080047, 130853443, 168240141, 317786933, 392560329, 953360799, 1177680987, 2224508531, 2860082397, 6673525593, 20020576779]

約数ペア:

[(1, 20020576779), (3, 6673525593), (7, 2860082397), (9, 2224508531), (17, 1177680987), (21, 953360799), (51, 392560329), (63, 317786933), (119, 168240141), (153, 130853443), (357, 56080047), (821, 24385599), (1071, 18693349), (2463, 8128533), (5747, 3483657), (7389, 2709511), (13957, 1434447), (17241, 1161219), (22769, 879291), (41871, 478149), (51723, 387073), (68307, 293097), (97699, 204921), (125613, 159383)]