20994660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2287}}^1$

素因数の和:2322

約数の個数: 96

約数和(自身を含む): 69189120

約数和(自身を除く): 48194460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2287, 2295, 3060, 4574, 4590, 6861, 9148, 9180, 11435, 13722, 20583, 22870, 27444, 34305, 38879, 41166, 45740, 61749, 68610, 77758, 82332, 102915, 116637, 123498, 137220, 155516, 194395, 205830, 233274, 246996, 308745, 349911, 388790, 411660, 466548, 583185, 617490, 699822, 777580, 1049733, 1166370, 1234980, 1399644, 1749555, 2099466, 2332740, 3499110, 4198932, 5248665, 6998220, 10497330, 20994660]

約数ペア:

[(1, 20994660), (2, 10497330), (3, 6998220), (4, 5248665), (5, 4198932), (6, 3499110), (9, 2332740), (10, 2099466), (12, 1749555), (15, 1399644), (17, 1234980), (18, 1166370), (20, 1049733), (27, 777580), (30, 699822), (34, 617490), (36, 583185), (45, 466548), (51, 411660), (54, 388790), (60, 349911), (68, 308745), (85, 246996), (90, 233274), (102, 205830), (108, 194395), (135, 155516), (153, 137220), (170, 123498), (180, 116637), (204, 102915), (255, 82332), (270, 77758), (306, 68610), (340, 61749), (459, 45740), (510, 41166), (540, 38879), (612, 34305), (765, 27444), (918, 22870), (1020, 20583), (1530, 13722), (1836, 11435), (2287, 9180), (2295, 9148), (3060, 6861), (4574, 4590)]