20196776880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{572471}}^1$

素因数の和:572504

約数の個数: 180

約数和(自身を含む): 78901525872

約数和(自身を除く): 58704748992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 17640, 35280, 572471, 1144942, 1717413, 2289884, 2862355, 3434826, 4007297, 4579768, 5152239, 5724710, 6869652, 8014594, 8587065, 9159536, 10304478, 11449420, 12021891, 13739304, 16029188, 17174130, 20036485, 20608956, 22898840, 24043782, 25761195, 27478608, 28051079, 32058376, 34348260, 36065673, 40072970, 41217912, 45797680, 48087564, 51522390, 56102158, 60109455, 64116752, 68696520, 72131346, 80145940, 82435824, 84153237, 96175128, 103044780, 112204316, 120218910, 137393040, 140255395, 144262692, 160291880, 168306474, 180328365, 192350256, 206089560, 224408632, 240437820, 252459711, 280510790, 288525384, 320583760, 336612948, 360656730, 412179120, 420766185, 448817264, 480875640, 504919422, 561021580, 577050768, 673225896, 721313460, 841532370, 961751280, 1009838844, 1122043160, 1262298555, 1346451792, 1442626920, 1683064740, 2019677688, 2244086320, 2524597110, 2885253840, 3366129480, 4039355376, 5049194220, 6732258960, 10098388440, 20196776880]

約数ペア:

[(1, 20196776880), (2, 10098388440), (3, 6732258960), (4, 5049194220), (5, 4039355376), (6, 3366129480), (7, 2885253840), (8, 2524597110), (9, 2244086320), (10, 2019677688), (12, 1683064740), (14, 1442626920), (15, 1346451792), (16, 1262298555), (18, 1122043160), (20, 1009838844), (21, 961751280), (24, 841532370), (28, 721313460), (30, 673225896), (35, 577050768), (36, 561021580), (40, 504919422), (42, 480875640), (45, 448817264), (48, 420766185), (49, 412179120), (56, 360656730), (60, 336612948), (63, 320583760), (70, 288525384), (72, 280510790), (80, 252459711), (84, 240437820), (90, 224408632), (98, 206089560), (105, 192350256), (112, 180328365), (120, 168306474), (126, 160291880), (140, 144262692), (144, 140255395), (147, 137393040), (168, 120218910), (180, 112204316), (196, 103044780), (210, 96175128), (240, 84153237), (245, 82435824), (252, 80145940), (280, 72131346), (294, 68696520), (315, 64116752), (336, 60109455), (360, 56102158), (392, 51522390), (420, 48087564), (441, 45797680), (490, 41217912), (504, 40072970), (560, 36065673), (588, 34348260), (630, 32058376), (720, 28051079), (735, 27478608), (784, 25761195), (840, 24043782), (882, 22898840), (980, 20608956), (1008, 20036485), (1176, 17174130), (1260, 16029188), (1470, 13739304), (1680, 12021891), (1764, 11449420), (1960, 10304478), (2205, 9159536), (2352, 8587065), (2520, 8014594), (2940, 6869652), (3528, 5724710), (3920, 5152239), (4410, 4579768), (5040, 4007297), (5880, 3434826), (7056, 2862355), (8820, 2289884), (11760, 1717413), (17640, 1144942), (35280, 572471)]