20123013573

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{547}}^1\times {\mathrm{643}}^1$

素因数の和:1375

約数の個数: 64

約数和(自身を含む): 32411438080

約数和(自身を除く): 12288424507

約数列:

[1, 3, 9, 13, 27, 39, 117, 163, 351, 489, 547, 643, 1467, 1641, 1929, 2119, 4401, 4923, 5787, 6357, 7111, 8359, 14769, 17361, 19071, 21333, 25077, 57213, 63999, 75231, 89161, 104809, 191997, 225693, 267483, 314427, 351721, 802449, 943281, 1055163, 1159093, 1362517, 2407347, 2829843, 3165489, 3477279, 4087551, 4572373, 9496467, 10431837, 12262653, 13717119, 31295511, 36787959, 41151357, 57330523, 123454071, 171991569, 515974707, 745296799, 1547924121, 2235890397, 6707671191, 20123013573]

約数ペア:

[(1, 20123013573), (3, 6707671191), (9, 2235890397), (13, 1547924121), (27, 745296799), (39, 515974707), (117, 171991569), (163, 123454071), (351, 57330523), (489, 41151357), (547, 36787959), (643, 31295511), (1467, 13717119), (1641, 12262653), (1929, 10431837), (2119, 9496467), (4401, 4572373), (4923, 4087551), (5787, 3477279), (6357, 3165489), (7111, 2829843), (8359, 2407347), (14769, 1362517), (17361, 1159093), (19071, 1055163), (21333, 943281), (25077, 802449), (57213, 351721), (63999, 314427), (75231, 267483), (89161, 225693), (104809, 191997)]