20995038

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^2\times {\mathrm{359}}^1$

素因数の和:411

約数の個数: 60

約数和(自身を含む): 49789080

約数和(自身を除く): 28794042

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 359, 361, 513, 718, 722, 1026, 1077, 1083, 1539, 2154, 2166, 3078, 3231, 3249, 6462, 6498, 6821, 9693, 9747, 13642, 19386, 19494, 20463, 29079, 29241, 40926, 58158, 58482, 61389, 122778, 129599, 184167, 259198, 368334, 388797, 552501, 777594, 1105002, 1166391, 2332782, 3499173, 6998346, 10497519, 20995038]

約数ペア:

[(1, 20995038), (2, 10497519), (3, 6998346), (6, 3499173), (9, 2332782), (18, 1166391), (19, 1105002), (27, 777594), (38, 552501), (54, 388797), (57, 368334), (81, 259198), (114, 184167), (162, 129599), (171, 122778), (342, 61389), (359, 58482), (361, 58158), (513, 40926), (718, 29241), (722, 29079), (1026, 20463), (1077, 19494), (1083, 19386), (1539, 13642), (2154, 9747), (2166, 9693), (3078, 6821), (3231, 6498), (3249, 6462)]