20784433950

素因数分解:

$2^1\times 3^5\times 5^2\times 7^1\times {\mathrm{244379}}^1$

素因数の和:244413

約数の個数: 144

約数和(自身を含む): 66182014080

約数和(自身を除く): 45397580130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 243, 270, 315, 350, 378, 405, 450, 486, 525, 567, 630, 675, 810, 945, 1050, 1134, 1215, 1350, 1575, 1701, 1890, 2025, 2430, 2835, 3150, 3402, 4050, 4725, 5670, 6075, 8505, 9450, 12150, 14175, 17010, 28350, 42525, 85050, 244379, 488758, 733137, 1221895, 1466274, 1710653, 2199411, 2443790, 3421306, 3665685, 4398822, 5131959, 6109475, 6598233, 7331370, 8553265, 10263918, 10997055, 12218950, 13196466, 15395877, 17106530, 18328425, 19794699, 21994110, 25659795, 30791754, 32991165, 36656850, 39589398, 42766325, 46187631, 51319590, 54985275, 59384097, 65982330, 76979385, 85532650, 92375262, 98973495, 109970550, 118768194, 128298975, 138562893, 153958770, 164955825, 197946990, 230938155, 256597950, 277125786, 296920485, 329911650, 384896925, 415688679, 461876310, 494867475, 593840970, 692814465, 769793850, 831377358, 989734950, 1154690775, 1385628930, 1484602425, 2078443395, 2309381550, 2969204850, 3464072325, 4156886790, 6928144650, 10392216975, 20784433950]

約数ペア:

[(1, 20784433950), (2, 10392216975), (3, 6928144650), (5, 4156886790), (6, 3464072325), (7, 2969204850), (9, 2309381550), (10, 2078443395), (14, 1484602425), (15, 1385628930), (18, 1154690775), (21, 989734950), (25, 831377358), (27, 769793850), (30, 692814465), (35, 593840970), (42, 494867475), (45, 461876310), (50, 415688679), (54, 384896925), (63, 329911650), (70, 296920485), (75, 277125786), (81, 256597950), (90, 230938155), (105, 197946990), (126, 164955825), (135, 153958770), (150, 138562893), (162, 128298975), (175, 118768194), (189, 109970550), (210, 98973495), (225, 92375262), (243, 85532650), (270, 76979385), (315, 65982330), (350, 59384097), (378, 54985275), (405, 51319590), (450, 46187631), (486, 42766325), (525, 39589398), (567, 36656850), (630, 32991165), (675, 30791754), (810, 25659795), (945, 21994110), (1050, 19794699), (1134, 18328425), (1215, 17106530), (1350, 15395877), (1575, 13196466), (1701, 12218950), (1890, 10997055), (2025, 10263918), (2430, 8553265), (2835, 7331370), (3150, 6598233), (3402, 6109475), (4050, 5131959), (4725, 4398822), (5670, 3665685), (6075, 3421306), (8505, 2443790), (9450, 2199411), (12150, 1710653), (14175, 1466274), (17010, 1221895), (28350, 733137), (42525, 488758), (85050, 244379)]