20007262496

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{815159}}^1$

素因数の和:815241

約数の個数: 48

約数和(自身を含む): 43138267200

約数和(自身を除く): 23131004704

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 104, 118, 208, 236, 416, 472, 767, 944, 1534, 1888, 3068, 6136, 12272, 24544, 815159, 1630318, 3260636, 6521272, 10597067, 13042544, 21194134, 26085088, 42388268, 48094381, 84776536, 96188762, 169553072, 192377524, 339106144, 384755048, 625226953, 769510096, 1250453906, 1539020192, 2500907812, 5001815624, 10003631248, 20007262496]

約数ペア:

[(1, 20007262496), (2, 10003631248), (4, 5001815624), (8, 2500907812), (13, 1539020192), (16, 1250453906), (26, 769510096), (32, 625226953), (52, 384755048), (59, 339106144), (104, 192377524), (118, 169553072), (208, 96188762), (236, 84776536), (416, 48094381), (472, 42388268), (767, 26085088), (944, 21194134), (1534, 13042544), (1888, 10597067), (3068, 6521272), (6136, 3260636), (12272, 1630318), (24544, 815159)]