20766456

素因数分解:

$2^3\times 3^4\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 59096400

約数和(自身を除く): 38329944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 146, 162, 216, 219, 292, 324, 438, 439, 584, 648, 657, 876, 878, 1314, 1317, 1752, 1756, 1971, 2628, 2634, 3512, 3942, 3951, 5256, 5268, 5913, 7884, 7902, 10536, 11826, 11853, 15768, 15804, 23652, 23706, 31608, 32047, 35559, 47304, 47412, 64094, 71118, 94824, 96141, 128188, 142236, 192282, 256376, 284472, 288423, 384564, 576846, 769128, 865269, 1153692, 1730538, 2307384, 2595807, 3461076, 5191614, 6922152, 10383228, 20766456]

約数ペア:

[(1, 20766456), (2, 10383228), (3, 6922152), (4, 5191614), (6, 3461076), (8, 2595807), (9, 2307384), (12, 1730538), (18, 1153692), (24, 865269), (27, 769128), (36, 576846), (54, 384564), (72, 288423), (73, 284472), (81, 256376), (108, 192282), (146, 142236), (162, 128188), (216, 96141), (219, 94824), (292, 71118), (324, 64094), (438, 47412), (439, 47304), (584, 35559), (648, 32047), (657, 31608), (876, 23706), (878, 23652), (1314, 15804), (1317, 15768), (1752, 11853), (1756, 11826), (1971, 10536), (2628, 7902), (2634, 7884), (3512, 5913), (3942, 5268), (3951, 5256)]