20486060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 52157952

約数和(自身を除く): 31671892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 43, 70, 82, 83, 86, 140, 164, 166, 172, 205, 215, 287, 301, 332, 410, 415, 430, 574, 581, 602, 820, 830, 860, 1148, 1162, 1204, 1435, 1505, 1660, 1763, 2324, 2870, 2905, 3010, 3403, 3526, 3569, 5740, 5810, 6020, 6806, 7052, 7138, 8815, 11620, 12341, 13612, 14276, 17015, 17630, 17845, 23821, 24682, 24983, 34030, 35260, 35690, 47642, 49364, 49966, 61705, 68060, 71380, 95284, 99932, 119105, 123410, 124915, 146329, 238210, 246820, 249830, 292658, 476420, 499660, 585316, 731645, 1024303, 1463290, 2048606, 2926580, 4097212, 5121515, 10243030, 20486060]

約数ペア:

[(1, 20486060), (2, 10243030), (4, 5121515), (5, 4097212), (7, 2926580), (10, 2048606), (14, 1463290), (20, 1024303), (28, 731645), (35, 585316), (41, 499660), (43, 476420), (70, 292658), (82, 249830), (83, 246820), (86, 238210), (140, 146329), (164, 124915), (166, 123410), (172, 119105), (205, 99932), (215, 95284), (287, 71380), (301, 68060), (332, 61705), (410, 49966), (415, 49364), (430, 47642), (574, 35690), (581, 35260), (602, 34030), (820, 24983), (830, 24682), (860, 23821), (1148, 17845), (1162, 17630), (1204, 17015), (1435, 14276), (1505, 13612), (1660, 12341), (1763, 11620), (2324, 8815), (2870, 7138), (2905, 7052), (3010, 6806), (3403, 6020), (3526, 5810), (3569, 5740)]