20144898620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{18143}}^1$

素因数の和:18280

約数の個数: 144

約数和(自身を含む): 54209046528

約数和(自身を除く): 34064147908

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 103, 110, 140, 154, 196, 206, 220, 245, 308, 385, 412, 490, 515, 539, 721, 770, 980, 1030, 1078, 1133, 1442, 1540, 2060, 2156, 2266, 2695, 2884, 3605, 4532, 5047, 5390, 5665, 7210, 7931, 10094, 10780, 11330, 14420, 15862, 18143, 20188, 22660, 25235, 31724, 36286, 39655, 50470, 55517, 72572, 79310, 90715, 100940, 111034, 127001, 158620, 181430, 199573, 222068, 254002, 277585, 362860, 399146, 508004, 555170, 635005, 798292, 889007, 997865, 1110340, 1270010, 1397011, 1778014, 1868729, 1995730, 2540020, 2794022, 3556028, 3737458, 3991460, 4445035, 5588044, 6985055, 7474916, 8890070, 9343645, 9779077, 13081103, 13970110, 17780140, 18687290, 19558154, 20556019, 26162206, 27940220, 37374580, 39116308, 41112038, 48895385, 52324412, 65405515, 82224076, 91567721, 97790770, 102780095, 130811030, 143892133, 183135442, 195581540, 205560190, 261622060, 287784266, 366270884, 411120380, 457838605, 575568532, 719460665, 915677210, 1007244931, 1438921330, 1831354420, 2014489862, 2877842660, 4028979724, 5036224655, 10072449310, 20144898620]

約数ペア:

[(1, 20144898620), (2, 10072449310), (4, 5036224655), (5, 4028979724), (7, 2877842660), (10, 2014489862), (11, 1831354420), (14, 1438921330), (20, 1007244931), (22, 915677210), (28, 719460665), (35, 575568532), (44, 457838605), (49, 411120380), (55, 366270884), (70, 287784266), (77, 261622060), (98, 205560190), (103, 195581540), (110, 183135442), (140, 143892133), (154, 130811030), (196, 102780095), (206, 97790770), (220, 91567721), (245, 82224076), (308, 65405515), (385, 52324412), (412, 48895385), (490, 41112038), (515, 39116308), (539, 37374580), (721, 27940220), (770, 26162206), (980, 20556019), (1030, 19558154), (1078, 18687290), (1133, 17780140), (1442, 13970110), (1540, 13081103), (2060, 9779077), (2156, 9343645), (2266, 8890070), (2695, 7474916), (2884, 6985055), (3605, 5588044), (4532, 4445035), (5047, 3991460), (5390, 3737458), (5665, 3556028), (7210, 2794022), (7931, 2540020), (10094, 1995730), (10780, 1868729), (11330, 1778014), (14420, 1397011), (15862, 1270010), (18143, 1110340), (20188, 997865), (22660, 889007), (25235, 798292), (31724, 635005), (36286, 555170), (39655, 508004), (50470, 399146), (55517, 362860), (72572, 277585), (79310, 254002), (90715, 222068), (100940, 199573), (111034, 181430), (127001, 158620)]