20237040

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{347}}^1$

素因数の和:378

約数の個数: 140

約数和(自身を含む): 70747704

約数和(自身を除く): 50510664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 347, 360, 405, 432, 486, 540, 648, 694, 720, 729, 810, 972, 1041, 1080, 1215, 1296, 1388, 1458, 1620, 1735, 1944, 2082, 2160, 2430, 2776, 2916, 3123, 3240, 3470, 3645, 3888, 4164, 4860, 5205, 5552, 5832, 6246, 6480, 6940, 7290, 8328, 9369, 9720, 10410, 11664, 12492, 13880, 14580, 15615, 16656, 18738, 19440, 20820, 24984, 27760, 28107, 29160, 31230, 37476, 41640, 46845, 49968, 56214, 58320, 62460, 74952, 83280, 84321, 93690, 112428, 124920, 140535, 149904, 168642, 187380, 224856, 249840, 252963, 281070, 337284, 374760, 421605, 449712, 505926, 562140, 674568, 749520, 843210, 1011852, 1124280, 1264815, 1349136, 1686420, 2023704, 2248560, 2529630, 3372840, 4047408, 5059260, 6745680, 10118520, 20237040]

約数ペア:

[(1, 20237040), (2, 10118520), (3, 6745680), (4, 5059260), (5, 4047408), (6, 3372840), (8, 2529630), (9, 2248560), (10, 2023704), (12, 1686420), (15, 1349136), (16, 1264815), (18, 1124280), (20, 1011852), (24, 843210), (27, 749520), (30, 674568), (36, 562140), (40, 505926), (45, 449712), (48, 421605), (54, 374760), (60, 337284), (72, 281070), (80, 252963), (81, 249840), (90, 224856), (108, 187380), (120, 168642), (135, 149904), (144, 140535), (162, 124920), (180, 112428), (216, 93690), (240, 84321), (243, 83280), (270, 74952), (324, 62460), (347, 58320), (360, 56214), (405, 49968), (432, 46845), (486, 41640), (540, 37476), (648, 31230), (694, 29160), (720, 28107), (729, 27760), (810, 24984), (972, 20820), (1041, 19440), (1080, 18738), (1215, 16656), (1296, 15615), (1388, 14580), (1458, 13880), (1620, 12492), (1735, 11664), (1944, 10410), (2082, 9720), (2160, 9369), (2430, 8328), (2776, 7290), (2916, 6940), (3123, 6480), (3240, 6246), (3470, 5832), (3645, 5552), (3888, 5205), (4164, 4860)]