20528748

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{1451}}^1$

素因数の和:1595

約数の個数: 48

約数和(自身を含む): 53665920

約数和(自身を除く): 33137172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1451, 1572, 2358, 2902, 3537, 4353, 4716, 5804, 7074, 8706, 13059, 14148, 17412, 26118, 39177, 52236, 78354, 156708, 190081, 380162, 570243, 760324, 1140486, 1710729, 2280972, 3421458, 5132187, 6842916, 10264374, 20528748]

約数ペア:

[(1, 20528748), (2, 10264374), (3, 6842916), (4, 5132187), (6, 3421458), (9, 2280972), (12, 1710729), (18, 1140486), (27, 760324), (36, 570243), (54, 380162), (108, 190081), (131, 156708), (262, 78354), (393, 52236), (524, 39177), (786, 26118), (1179, 17412), (1451, 14148), (1572, 13059), (2358, 8706), (2902, 7074), (3537, 5804), (4353, 4716)]