20553280920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{183577}}^1$

素因数の和:183905

約数の個数: 96

約数和(自身を含む): 67013313120

約数和(自身を除く): 46460032200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 311, 360, 622, 933, 1244, 1555, 1866, 2488, 2799, 3110, 3732, 4665, 5598, 6220, 7464, 9330, 11196, 12440, 13995, 18660, 22392, 27990, 37320, 55980, 111960, 183577, 367154, 550731, 734308, 917885, 1101462, 1468616, 1652193, 1835770, 2202924, 2753655, 3304386, 3671540, 4405848, 5507310, 6608772, 7343080, 8260965, 11014620, 13217544, 16521930, 22029240, 33043860, 57092447, 66087720, 114184894, 171277341, 228369788, 285462235, 342554682, 456739576, 513832023, 570924470, 685109364, 856386705, 1027664046, 1141848940, 1370218728, 1712773410, 2055328092, 2283697880, 2569160115, 3425546820, 4110656184, 5138320230, 6851093640, 10276640460, 20553280920]

約数ペア:

[(1, 20553280920), (2, 10276640460), (3, 6851093640), (4, 5138320230), (5, 4110656184), (6, 3425546820), (8, 2569160115), (9, 2283697880), (10, 2055328092), (12, 1712773410), (15, 1370218728), (18, 1141848940), (20, 1027664046), (24, 856386705), (30, 685109364), (36, 570924470), (40, 513832023), (45, 456739576), (60, 342554682), (72, 285462235), (90, 228369788), (120, 171277341), (180, 114184894), (311, 66087720), (360, 57092447), (622, 33043860), (933, 22029240), (1244, 16521930), (1555, 13217544), (1866, 11014620), (2488, 8260965), (2799, 7343080), (3110, 6608772), (3732, 5507310), (4665, 4405848), (5598, 3671540), (6220, 3304386), (7464, 2753655), (9330, 2202924), (11196, 1835770), (12440, 1652193), (13995, 1468616), (18660, 1101462), (22392, 917885), (27990, 734308), (37320, 550731), (55980, 367154), (111960, 183577)]