20570274

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 80

約数和(自身を含む): 50006880

約数和(自身を除く): 29436606

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 41, 54, 57, 81, 82, 114, 123, 162, 163, 171, 246, 326, 342, 369, 489, 513, 738, 779, 978, 1026, 1107, 1467, 1539, 1558, 2214, 2337, 2934, 3078, 3097, 3321, 4401, 4674, 6194, 6642, 6683, 7011, 8802, 9291, 13203, 13366, 14022, 18582, 20049, 21033, 26406, 27873, 40098, 42066, 55746, 60147, 63099, 83619, 120294, 126198, 126977, 167238, 180441, 250857, 253954, 360882, 380931, 501714, 541323, 761862, 1082646, 1142793, 2285586, 3428379, 6856758, 10285137, 20570274]

約数ペア:

[(1, 20570274), (2, 10285137), (3, 6856758), (6, 3428379), (9, 2285586), (18, 1142793), (19, 1082646), (27, 761862), (38, 541323), (41, 501714), (54, 380931), (57, 360882), (81, 253954), (82, 250857), (114, 180441), (123, 167238), (162, 126977), (163, 126198), (171, 120294), (246, 83619), (326, 63099), (342, 60147), (369, 55746), (489, 42066), (513, 40098), (738, 27873), (779, 26406), (978, 21033), (1026, 20049), (1107, 18582), (1467, 14022), (1539, 13366), (1558, 13203), (2214, 9291), (2337, 8802), (2934, 7011), (3078, 6683), (3097, 6642), (3321, 6194), (4401, 4674)]