20102328

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^2\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 56108520

約数和(自身を除く): 36006192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 151, 172, 258, 302, 344, 387, 453, 516, 604, 774, 906, 1032, 1208, 1359, 1548, 1812, 1849, 2718, 3096, 3624, 3698, 5436, 5547, 6493, 7396, 10872, 11094, 12986, 14792, 16641, 19479, 22188, 25972, 33282, 38958, 44376, 51944, 58437, 66564, 77916, 116874, 133128, 155832, 233748, 279199, 467496, 558398, 837597, 1116796, 1675194, 2233592, 2512791, 3350388, 5025582, 6700776, 10051164, 20102328]

約数ペア:

[(1, 20102328), (2, 10051164), (3, 6700776), (4, 5025582), (6, 3350388), (8, 2512791), (9, 2233592), (12, 1675194), (18, 1116796), (24, 837597), (36, 558398), (43, 467496), (72, 279199), (86, 233748), (129, 155832), (151, 133128), (172, 116874), (258, 77916), (302, 66564), (344, 58437), (387, 51944), (453, 44376), (516, 38958), (604, 33282), (774, 25972), (906, 22188), (1032, 19479), (1208, 16641), (1359, 14792), (1548, 12986), (1812, 11094), (1849, 10872), (2718, 7396), (3096, 6493), (3624, 5547), (3698, 5436)]