20217492

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{1429}}^1$

素因数の和:1573

約数の個数: 48

約数和(自身を含む): 52852800

約数和(自身を除く): 32635308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1429, 1572, 2358, 2858, 3537, 4287, 4716, 5716, 7074, 8574, 12861, 14148, 17148, 25722, 38583, 51444, 77166, 154332, 187199, 374398, 561597, 748796, 1123194, 1684791, 2246388, 3369582, 5054373, 6739164, 10108746, 20217492]

約数ペア:

[(1, 20217492), (2, 10108746), (3, 6739164), (4, 5054373), (6, 3369582), (9, 2246388), (12, 1684791), (18, 1123194), (27, 748796), (36, 561597), (54, 374398), (108, 187199), (131, 154332), (262, 77166), (393, 51444), (524, 38583), (786, 25722), (1179, 17148), (1429, 14148), (1572, 12861), (2358, 8574), (2858, 7074), (3537, 5716), (4287, 4716)]