20927160

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2153}}^1$

素因数の和:2179

約数の個数: 96

約数和(自身を含む): 70565040

約数和(自身を除く): 49637880

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, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2153, 2430, 3240, 4306, 4860, 6459, 8612, 9720, 10765, 12918, 17224, 19377, 21530, 25836, 32295, 38754, 43060, 51672, 58131, 64590, 77508, 86120, 96885, 116262, 129180, 155016, 174393, 193770, 232524, 258360, 290655, 348786, 387540, 465048, 523179, 581310, 697572, 775080, 871965, 1046358, 1162620, 1395144, 1743930, 2092716, 2325240, 2615895, 3487860, 4185432, 5231790, 6975720, 10463580, 20927160]

約数ペア:

[(1, 20927160), (2, 10463580), (3, 6975720), (4, 5231790), (5, 4185432), (6, 3487860), (8, 2615895), (9, 2325240), (10, 2092716), (12, 1743930), (15, 1395144), (18, 1162620), (20, 1046358), (24, 871965), (27, 775080), (30, 697572), (36, 581310), (40, 523179), (45, 465048), (54, 387540), (60, 348786), (72, 290655), (81, 258360), (90, 232524), (108, 193770), (120, 174393), (135, 155016), (162, 129180), (180, 116262), (216, 96885), (243, 86120), (270, 77508), (324, 64590), (360, 58131), (405, 51672), (486, 43060), (540, 38754), (648, 32295), (810, 25836), (972, 21530), (1080, 19377), (1215, 17224), (1620, 12918), (1944, 10765), (2153, 9720), (2430, 8612), (3240, 6459), (4306, 4860)]