20316640680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1151737}}^1$

素因数の和:1151768

約数の個数: 144

約数和(自身を含む): 76809407220

約数和(自身を除く): 56492766540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 1151737, 2303474, 3455211, 4606948, 5758685, 6910422, 8062159, 9213896, 10365633, 11517370, 13820844, 16124318, 17276055, 20731266, 23034740, 24186477, 27641688, 32248636, 34552110, 40310795, 41462532, 46069480, 48372954, 51828165, 56435113, 64497272, 69104220, 72559431, 80621590, 82925064, 96745908, 103656330, 112870226, 120932385, 138208440, 145118862, 161243180, 169305339, 193491816, 207312660, 225740452, 241864770, 282175565, 290237724, 322486360, 338610678, 362797155, 414625320, 451480904, 483729540, 507916017, 564351130, 580475448, 677221356, 725594310, 846526695, 967459080, 1015832034, 1128702260, 1354442712, 1451188620, 1693053390, 2031664068, 2257404520, 2539580085, 2902377240, 3386106780, 4063328136, 5079160170, 6772213560, 10158320340, 20316640680]

約数ペア:

[(1, 20316640680), (2, 10158320340), (3, 6772213560), (4, 5079160170), (5, 4063328136), (6, 3386106780), (7, 2902377240), (8, 2539580085), (9, 2257404520), (10, 2031664068), (12, 1693053390), (14, 1451188620), (15, 1354442712), (18, 1128702260), (20, 1015832034), (21, 967459080), (24, 846526695), (28, 725594310), (30, 677221356), (35, 580475448), (36, 564351130), (40, 507916017), (42, 483729540), (45, 451480904), (49, 414625320), (56, 362797155), (60, 338610678), (63, 322486360), (70, 290237724), (72, 282175565), (84, 241864770), (90, 225740452), (98, 207312660), (105, 193491816), (120, 169305339), (126, 161243180), (140, 145118862), (147, 138208440), (168, 120932385), (180, 112870226), (196, 103656330), (210, 96745908), (245, 82925064), (252, 80621590), (280, 72559431), (294, 69104220), (315, 64497272), (360, 56435113), (392, 51828165), (420, 48372954), (441, 46069480), (490, 41462532), (504, 40310795), (588, 34552110), (630, 32248636), (735, 27641688), (840, 24186477), (882, 23034740), (980, 20731266), (1176, 17276055), (1260, 16124318), (1470, 13820844), (1764, 11517370), (1960, 10365633), (2205, 9213896), (2520, 8062159), (2940, 6910422), (3528, 5758685), (4410, 4606948), (5880, 3455211), (8820, 2303474), (17640, 1151737)]