20081031873

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{19087}}^1$

素因数の和:19542

約数の個数: 48

約数和(自身を含む): 33058278144

約数和(自身を除く): 12977246271

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 421, 833, 1263, 2499, 2947, 7157, 8841, 19087, 20629, 21471, 50099, 57261, 61887, 133609, 150297, 324479, 350693, 400827, 935263, 973437, 1052079, 2271353, 2805789, 6814059, 8035627, 15899471, 24106881, 47698413, 56249389, 136605659, 168748167, 393745723, 409816977, 956239613, 1181237169, 2868718839, 6693677291, 20081031873]

約数ペア:

[(1, 20081031873), (3, 6693677291), (7, 2868718839), (17, 1181237169), (21, 956239613), (49, 409816977), (51, 393745723), (119, 168748167), (147, 136605659), (357, 56249389), (421, 47698413), (833, 24106881), (1263, 15899471), (2499, 8035627), (2947, 6814059), (7157, 2805789), (8841, 2271353), (19087, 1052079), (20629, 973437), (21471, 935263), (50099, 400827), (57261, 350693), (61887, 324479), (133609, 150297)]