20109708

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1253

約数の個数: 72

約数和(自身を含む): 55862352

約数和(自身を除く): 35752644

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 918, 972, 1217, 1377, 1836, 2434, 2754, 3651, 4131, 4868, 5508, 7302, 8262, 10953, 14604, 16524, 20689, 21906, 32859, 41378, 43812, 62067, 65718, 82756, 98577, 124134, 131436, 186201, 197154, 248268, 295731, 372402, 394308, 558603, 591462, 744804, 1117206, 1182924, 1675809, 2234412, 3351618, 5027427, 6703236, 10054854, 20109708]

約数ペア:

[(1, 20109708), (2, 10054854), (3, 6703236), (4, 5027427), (6, 3351618), (9, 2234412), (12, 1675809), (17, 1182924), (18, 1117206), (27, 744804), (34, 591462), (36, 558603), (51, 394308), (54, 372402), (68, 295731), (81, 248268), (102, 197154), (108, 186201), (153, 131436), (162, 124134), (204, 98577), (243, 82756), (306, 65718), (324, 62067), (459, 43812), (486, 41378), (612, 32859), (918, 21906), (972, 20689), (1217, 16524), (1377, 14604), (1836, 10953), (2434, 8262), (2754, 7302), (3651, 5508), (4131, 4868)]