20168082680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1\times {\mathrm{6857}}^1$

素因数の和:7053

約数の個数: 96

約数和(自身を含む): 47785172400

約数和(自身を除く): 27617089720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 529, 556, 695, 920, 1058, 1112, 1390, 2116, 2645, 2780, 3197, 4232, 5290, 5560, 6394, 6857, 10580, 12788, 13714, 15985, 21160, 25576, 27428, 31970, 34285, 54856, 63940, 68570, 73531, 127880, 137140, 147062, 157711, 274280, 294124, 315422, 367655, 588248, 630844, 735310, 788555, 953123, 1261688, 1470620, 1577110, 1906246, 2941240, 3154220, 3627353, 3812492, 4765615, 6308440, 7254706, 7624984, 9531230, 14509412, 18136765, 19062460, 21921829, 29018824, 36273530, 38124920, 43843658, 72547060, 87687316, 109609145, 145094120, 175374632, 219218290, 438436580, 504202067, 876873160, 1008404134, 2016808268, 2521010335, 4033616536, 5042020670, 10084041340, 20168082680]

約数ペア:

[(1, 20168082680), (2, 10084041340), (4, 5042020670), (5, 4033616536), (8, 2521010335), (10, 2016808268), (20, 1008404134), (23, 876873160), (40, 504202067), (46, 438436580), (92, 219218290), (115, 175374632), (139, 145094120), (184, 109609145), (230, 87687316), (278, 72547060), (460, 43843658), (529, 38124920), (556, 36273530), (695, 29018824), (920, 21921829), (1058, 19062460), (1112, 18136765), (1390, 14509412), (2116, 9531230), (2645, 7624984), (2780, 7254706), (3197, 6308440), (4232, 4765615), (5290, 3812492), (5560, 3627353), (6394, 3154220), (6857, 2941240), (10580, 1906246), (12788, 1577110), (13714, 1470620), (15985, 1261688), (21160, 953123), (25576, 788555), (27428, 735310), (31970, 630844), (34285, 588248), (54856, 367655), (63940, 315422), (68570, 294124), (73531, 274280), (127880, 157711), (137140, 147062)]