20020235319

素因数分解:

$3^4\times 7^3\times {\mathrm{61}}^1\times {\mathrm{11813}}^1$

素因数の和:11907

約数の個数: 80

約数和(自身を含む): 35451451200

約数和(自身を除く): 15431215881

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 81, 147, 183, 189, 343, 427, 441, 549, 567, 1029, 1281, 1323, 1647, 2989, 3087, 3843, 3969, 4941, 8967, 9261, 11529, 11813, 20923, 26901, 27783, 34587, 35439, 62769, 80703, 82691, 106317, 188307, 242109, 248073, 318951, 564921, 578837, 720593, 744219, 956853, 1694763, 1736511, 2161779, 2232657, 4051859, 5044151, 5209533, 6485337, 6697971, 12155577, 15132453, 15628599, 19456011, 35309057, 36466731, 45397359, 46885797, 58368033, 105927171, 109400193, 136192077, 247163399, 317781513, 328200579, 408576231, 741490197, 953344539, 2224470591, 2860033617, 6673411773, 20020235319]

約数ペア:

[(1, 20020235319), (3, 6673411773), (7, 2860033617), (9, 2224470591), (21, 953344539), (27, 741490197), (49, 408576231), (61, 328200579), (63, 317781513), (81, 247163399), (147, 136192077), (183, 109400193), (189, 105927171), (343, 58368033), (427, 46885797), (441, 45397359), (549, 36466731), (567, 35309057), (1029, 19456011), (1281, 15628599), (1323, 15132453), (1647, 12155577), (2989, 6697971), (3087, 6485337), (3843, 5209533), (3969, 5044151), (4941, 4051859), (8967, 2232657), (9261, 2161779), (11529, 1736511), (11813, 1694763), (20923, 956853), (26901, 744219), (27783, 720593), (34587, 578837), (35439, 564921), (62769, 318951), (80703, 248073), (82691, 242109), (106317, 188307)]