20834820

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1429}}^1$

素因数の和:1456

約数の個数: 84

約数和(自身を含む): 65645580

約数和(自身を除く): 44810760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1429, 1458, 1620, 2430, 2858, 2916, 3645, 4287, 4860, 5716, 7145, 7290, 8574, 12861, 14290, 14580, 17148, 21435, 25722, 28580, 38583, 42870, 51444, 64305, 77166, 85740, 115749, 128610, 154332, 192915, 231498, 257220, 347247, 385830, 462996, 578745, 694494, 771660, 1041741, 1157490, 1388988, 1736235, 2083482, 2314980, 3472470, 4166964, 5208705, 6944940, 10417410, 20834820]

約数ペア:

[(1, 20834820), (2, 10417410), (3, 6944940), (4, 5208705), (5, 4166964), (6, 3472470), (9, 2314980), (10, 2083482), (12, 1736235), (15, 1388988), (18, 1157490), (20, 1041741), (27, 771660), (30, 694494), (36, 578745), (45, 462996), (54, 385830), (60, 347247), (81, 257220), (90, 231498), (108, 192915), (135, 154332), (162, 128610), (180, 115749), (243, 85740), (270, 77166), (324, 64305), (405, 51444), (486, 42870), (540, 38583), (729, 28580), (810, 25722), (972, 21435), (1215, 17148), (1429, 14580), (1458, 14290), (1620, 12861), (2430, 8574), (2858, 7290), (2916, 7145), (3645, 5716), (4287, 4860)]