20755116

素因数分解:

$2^2\times 3^5\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 55159104

約数和(自身を除く): 34403988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 131, 162, 163, 243, 262, 324, 326, 393, 486, 489, 524, 652, 786, 972, 978, 1179, 1467, 1572, 1956, 2358, 2934, 3537, 4401, 4716, 5868, 7074, 8802, 10611, 13203, 14148, 17604, 21222, 21353, 26406, 31833, 39609, 42444, 42706, 52812, 63666, 64059, 79218, 85412, 127332, 128118, 158436, 192177, 256236, 384354, 576531, 768708, 1153062, 1729593, 2306124, 3459186, 5188779, 6918372, 10377558, 20755116]

約数ペア:

[(1, 20755116), (2, 10377558), (3, 6918372), (4, 5188779), (6, 3459186), (9, 2306124), (12, 1729593), (18, 1153062), (27, 768708), (36, 576531), (54, 384354), (81, 256236), (108, 192177), (131, 158436), (162, 128118), (163, 127332), (243, 85412), (262, 79218), (324, 64059), (326, 63666), (393, 52812), (486, 42706), (489, 42444), (524, 39609), (652, 31833), (786, 26406), (972, 21353), (978, 21222), (1179, 17604), (1467, 14148), (1572, 13203), (1956, 10611), (2358, 8802), (2934, 7074), (3537, 5868), (4401, 4716)]