20120370249

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{443}}^1\times {\mathrm{3911}}^1$

素因数の和:4450

約数の個数: 48

約数和(自身を含む): 31681566720

約数和(自身を除く): 11561196471

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 443, 553, 1329, 1659, 3101, 3871, 3911, 9303, 11613, 11733, 21707, 27377, 34997, 65121, 82131, 104991, 191639, 244979, 308969, 574917, 734937, 926907, 1714853, 1732573, 2162783, 5144559, 5197719, 6488349, 12128011, 15139481, 36384033, 45418443, 84896077, 136873267, 254688231, 410619801, 958112869, 2874338607, 6706790083, 20120370249]

約数ペア:

[(1, 20120370249), (3, 6706790083), (7, 2874338607), (21, 958112869), (49, 410619801), (79, 254688231), (147, 136873267), (237, 84896077), (443, 45418443), (553, 36384033), (1329, 15139481), (1659, 12128011), (3101, 6488349), (3871, 5197719), (3911, 5144559), (9303, 2162783), (11613, 1732573), (11733, 1714853), (21707, 926907), (27377, 734937), (34997, 574917), (65121, 308969), (82131, 244979), (104991, 191639)]