20562120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 69696000

約数和(自身を除く): 49133880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 241, 270, 316, 360, 395, 474, 482, 540, 632, 711, 723, 790, 948, 964, 1080, 1185, 1205, 1422, 1446, 1580, 1896, 1928, 2133, 2169, 2370, 2410, 2844, 2892, 3160, 3555, 3615, 4266, 4338, 4740, 4820, 5688, 5784, 6507, 7110, 7230, 8532, 8676, 9480, 9640, 10665, 10845, 13014, 14220, 14460, 17064, 17352, 19039, 21330, 21690, 26028, 28440, 28920, 32535, 38078, 42660, 43380, 52056, 57117, 65070, 76156, 85320, 86760, 95195, 114234, 130140, 152312, 171351, 190390, 228468, 260280, 285585, 342702, 380780, 456936, 514053, 571170, 685404, 761560, 856755, 1028106, 1142340, 1370808, 1713510, 2056212, 2284680, 2570265, 3427020, 4112424, 5140530, 6854040, 10281060, 20562120]

約数ペア:

[(1, 20562120), (2, 10281060), (3, 6854040), (4, 5140530), (5, 4112424), (6, 3427020), (8, 2570265), (9, 2284680), (10, 2056212), (12, 1713510), (15, 1370808), (18, 1142340), (20, 1028106), (24, 856755), (27, 761560), (30, 685404), (36, 571170), (40, 514053), (45, 456936), (54, 380780), (60, 342702), (72, 285585), (79, 260280), (90, 228468), (108, 190390), (120, 171351), (135, 152312), (158, 130140), (180, 114234), (216, 95195), (237, 86760), (241, 85320), (270, 76156), (316, 65070), (360, 57117), (395, 52056), (474, 43380), (482, 42660), (540, 38078), (632, 32535), (711, 28920), (723, 28440), (790, 26028), (948, 21690), (964, 21330), (1080, 19039), (1185, 17352), (1205, 17064), (1422, 14460), (1446, 14220), (1580, 13014), (1896, 10845), (1928, 10665), (2133, 9640), (2169, 9480), (2370, 8676), (2410, 8532), (2844, 7230), (2892, 7110), (3160, 6507), (3555, 5784), (3615, 5688), (4266, 4820), (4338, 4740)]