20163368440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{60449}}^1$

素因数の和:60760

約数の個数: 64

約数和(自身を含む): 47005920000

約数和(自身を除く): 26842551560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 269, 310, 538, 620, 1076, 1240, 1345, 2152, 2690, 5380, 8339, 10760, 16678, 33356, 41695, 60449, 66712, 83390, 120898, 166780, 241796, 302245, 333560, 483592, 604490, 1208980, 1873919, 2417960, 3747838, 7495676, 9369595, 14991352, 16260781, 18739190, 32521562, 37478380, 65043124, 74956760, 81303905, 130086248, 162607810, 325215620, 504084211, 650431240, 1008168422, 2016336844, 2520421055, 4032673688, 5040842110, 10081684220, 20163368440]

約数ペア:

[(1, 20163368440), (2, 10081684220), (4, 5040842110), (5, 4032673688), (8, 2520421055), (10, 2016336844), (20, 1008168422), (31, 650431240), (40, 504084211), (62, 325215620), (124, 162607810), (155, 130086248), (248, 81303905), (269, 74956760), (310, 65043124), (538, 37478380), (620, 32521562), (1076, 18739190), (1240, 16260781), (1345, 14991352), (2152, 9369595), (2690, 7495676), (5380, 3747838), (8339, 2417960), (10760, 1873919), (16678, 1208980), (33356, 604490), (41695, 483592), (60449, 333560), (66712, 302245), (83390, 241796), (120898, 166780)]