20009487540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{12101}}^1$

素因数の和:12278

約数の個数: 192

約数和(自身を含む): 66621800448

約数和(自身を除く): 46612312908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 127, 140, 155, 186, 210, 217, 254, 310, 372, 381, 420, 434, 465, 508, 620, 635, 651, 762, 868, 889, 930, 1085, 1270, 1302, 1524, 1778, 1860, 1905, 2170, 2540, 2604, 2667, 3255, 3556, 3810, 3937, 4340, 4445, 5334, 6510, 7620, 7874, 8890, 10668, 11811, 12101, 13020, 13335, 15748, 17780, 19685, 23622, 24202, 26670, 27559, 36303, 39370, 47244, 48404, 53340, 55118, 59055, 60505, 72606, 78740, 82677, 84707, 110236, 118110, 121010, 137795, 145212, 165354, 169414, 181515, 236220, 242020, 254121, 275590, 330708, 338828, 363030, 375131, 413385, 423535, 508242, 551180, 726060, 750262, 826770, 847070, 1016484, 1125393, 1270605, 1500524, 1536827, 1653540, 1694140, 1875655, 2250786, 2541210, 2625917, 3073654, 3751310, 4501572, 4610481, 5082420, 5251834, 5626965, 6147308, 7502620, 7684135, 7877751, 9220962, 10503668, 10757789, 11253930, 13129585, 15368270, 15755502, 18441924, 21515578, 22507860, 23052405, 26259170, 30736540, 31511004, 32273367, 39388755, 43031156, 46104810, 47641637, 52518340, 53788945, 64546734, 78777510, 92209620, 95283274, 107577890, 129093468, 142924911, 157555020, 161366835, 190566548, 215155780, 238208185, 285849822, 322733670, 333491459, 476416370, 571699644, 645467340, 666982918, 714624555, 952832740, 1000474377, 1333965836, 1429249110, 1667457295, 2000948754, 2858498220, 3334914590, 4001897508, 5002371885, 6669829180, 10004743770, 20009487540]

約数ペア:

[(1, 20009487540), (2, 10004743770), (3, 6669829180), (4, 5002371885), (5, 4001897508), (6, 3334914590), (7, 2858498220), (10, 2000948754), (12, 1667457295), (14, 1429249110), (15, 1333965836), (20, 1000474377), (21, 952832740), (28, 714624555), (30, 666982918), (31, 645467340), (35, 571699644), (42, 476416370), (60, 333491459), (62, 322733670), (70, 285849822), (84, 238208185), (93, 215155780), (105, 190566548), (124, 161366835), (127, 157555020), (140, 142924911), (155, 129093468), (186, 107577890), (210, 95283274), (217, 92209620), (254, 78777510), (310, 64546734), (372, 53788945), (381, 52518340), (420, 47641637), (434, 46104810), (465, 43031156), (508, 39388755), (620, 32273367), (635, 31511004), (651, 30736540), (762, 26259170), (868, 23052405), (889, 22507860), (930, 21515578), (1085, 18441924), (1270, 15755502), (1302, 15368270), (1524, 13129585), (1778, 11253930), (1860, 10757789), (1905, 10503668), (2170, 9220962), (2540, 7877751), (2604, 7684135), (2667, 7502620), (3255, 6147308), (3556, 5626965), (3810, 5251834), (3937, 5082420), (4340, 4610481), (4445, 4501572), (5334, 3751310), (6510, 3073654), (7620, 2625917), (7874, 2541210), (8890, 2250786), (10668, 1875655), (11811, 1694140), (12101, 1653540), (13020, 1536827), (13335, 1500524), (15748, 1270605), (17780, 1125393), (19685, 1016484), (23622, 847070), (24202, 826770), (26670, 750262), (27559, 726060), (36303, 551180), (39370, 508242), (47244, 423535), (48404, 413385), (53340, 375131), (55118, 363030), (59055, 338828), (60505, 330708), (72606, 275590), (78740, 254121), (82677, 242020), (84707, 236220), (110236, 181515), (118110, 169414), (121010, 165354), (137795, 145212)]