20570976720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4081543}}^1$

素因数の和:4081569

約数の個数: 120

約数和(自身を含む): 78953387136

約数和(自身を除く): 58382410416

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, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 4081543, 8163086, 12244629, 16326172, 20407715, 24489258, 28570801, 32652344, 36733887, 40815430, 48978516, 57141602, 61223145, 65304688, 73467774, 81630860, 85712403, 97957032, 114283204, 122446290, 142854005, 146935548, 163261720, 171424806, 183669435, 195914064, 228566408, 244892580, 257137209, 285708010, 293871096, 326523440, 342849612, 367338870, 428562015, 457132816, 489785160, 514274418, 571416020, 587742192, 685699224, 734677740, 857124030, 979570320, 1028548836, 1142832040, 1285686045, 1371398448, 1469355480, 1714248060, 2057097672, 2285664080, 2571372090, 2938710960, 3428496120, 4114195344, 5142744180, 6856992240, 10285488360, 20570976720]

約数ペア:

[(1, 20570976720), (2, 10285488360), (3, 6856992240), (4, 5142744180), (5, 4114195344), (6, 3428496120), (7, 2938710960), (8, 2571372090), (9, 2285664080), (10, 2057097672), (12, 1714248060), (14, 1469355480), (15, 1371398448), (16, 1285686045), (18, 1142832040), (20, 1028548836), (21, 979570320), (24, 857124030), (28, 734677740), (30, 685699224), (35, 587742192), (36, 571416020), (40, 514274418), (42, 489785160), (45, 457132816), (48, 428562015), (56, 367338870), (60, 342849612), (63, 326523440), (70, 293871096), (72, 285708010), (80, 257137209), (84, 244892580), (90, 228566408), (105, 195914064), (112, 183669435), (120, 171424806), (126, 163261720), (140, 146935548), (144, 142854005), (168, 122446290), (180, 114283204), (210, 97957032), (240, 85712403), (252, 81630860), (280, 73467774), (315, 65304688), (336, 61223145), (360, 57141602), (420, 48978516), (504, 40815430), (560, 36733887), (630, 32652344), (720, 28570801), (840, 24489258), (1008, 20407715), (1260, 16326172), (1680, 12244629), (2520, 8163086), (5040, 4081543)]