20028876840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{89303}}^1$

素因数の和:89416

約数の個数: 192

約数和(自身を含む): 75229689600

約数和(自身を除く): 55200812760

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, 56, 60, 63, 70, 72, 84, 89, 90, 105, 120, 126, 140, 168, 178, 180, 210, 252, 267, 280, 315, 356, 360, 420, 445, 504, 534, 623, 630, 712, 801, 840, 890, 1068, 1246, 1260, 1335, 1602, 1780, 1869, 2136, 2492, 2520, 2670, 3115, 3204, 3560, 3738, 4005, 4984, 5340, 5607, 6230, 6408, 7476, 8010, 9345, 10680, 11214, 12460, 14952, 16020, 18690, 22428, 24920, 28035, 32040, 37380, 44856, 56070, 74760, 89303, 112140, 178606, 224280, 267909, 357212, 446515, 535818, 625121, 714424, 803727, 893030, 1071636, 1250242, 1339545, 1607454, 1786060, 1875363, 2143272, 2500484, 2679090, 3125605, 3214908, 3572120, 3750726, 4018635, 5000968, 5358180, 5626089, 6251210, 6429816, 7501452, 7947967, 8037270, 9376815, 10716360, 11252178, 12502420, 15002904, 15895934, 16074540, 18753630, 22504356, 23843901, 25004840, 28130445, 31791868, 32149080, 37507260, 39739835, 45008712, 47687802, 55635769, 56260890, 63583736, 71531703, 75014520, 79479670, 95375604, 111271538, 112521780, 119219505, 143063406, 158959340, 166907307, 190751208, 222543076, 225043560, 238439010, 278178845, 286126812, 317918680, 333814614, 357658515, 445086152, 476878020, 500721921, 556357690, 572253624, 667629228, 715317030, 834536535, 953756040, 1001443842, 1112715380, 1335258456, 1430634060, 1669073070, 2002887684, 2225430760, 2503609605, 2861268120, 3338146140, 4005775368, 5007219210, 6676292280, 10014438420, 20028876840]

約数ペア:

[(1, 20028876840), (2, 10014438420), (3, 6676292280), (4, 5007219210), (5, 4005775368), (6, 3338146140), (7, 2861268120), (8, 2503609605), (9, 2225430760), (10, 2002887684), (12, 1669073070), (14, 1430634060), (15, 1335258456), (18, 1112715380), (20, 1001443842), (21, 953756040), (24, 834536535), (28, 715317030), (30, 667629228), (35, 572253624), (36, 556357690), (40, 500721921), (42, 476878020), (45, 445086152), (56, 357658515), (60, 333814614), (63, 317918680), (70, 286126812), (72, 278178845), (84, 238439010), (89, 225043560), (90, 222543076), (105, 190751208), (120, 166907307), (126, 158959340), (140, 143063406), (168, 119219505), (178, 112521780), (180, 111271538), (210, 95375604), (252, 79479670), (267, 75014520), (280, 71531703), (315, 63583736), (356, 56260890), (360, 55635769), (420, 47687802), (445, 45008712), (504, 39739835), (534, 37507260), (623, 32149080), (630, 31791868), (712, 28130445), (801, 25004840), (840, 23843901), (890, 22504356), (1068, 18753630), (1246, 16074540), (1260, 15895934), (1335, 15002904), (1602, 12502420), (1780, 11252178), (1869, 10716360), (2136, 9376815), (2492, 8037270), (2520, 7947967), (2670, 7501452), (3115, 6429816), (3204, 6251210), (3560, 5626089), (3738, 5358180), (4005, 5000968), (4984, 4018635), (5340, 3750726), (5607, 3572120), (6230, 3214908), (6408, 3125605), (7476, 2679090), (8010, 2500484), (9345, 2143272), (10680, 1875363), (11214, 1786060), (12460, 1607454), (14952, 1339545), (16020, 1250242), (18690, 1071636), (22428, 893030), (24920, 803727), (28035, 714424), (32040, 625121), (37380, 535818), (44856, 446515), (56070, 357212), (74760, 267909), (89303, 224280), (112140, 178606)]