20357392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 46282752

約数和(自身を除く): 25925360

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 47, 88, 92, 94, 107, 176, 184, 188, 214, 253, 368, 376, 428, 506, 517, 752, 856, 1012, 1034, 1081, 1177, 1712, 2024, 2068, 2162, 2354, 2461, 4048, 4136, 4324, 4708, 4922, 5029, 8272, 8648, 9416, 9844, 10058, 11891, 17296, 18832, 19688, 20116, 23782, 27071, 39376, 40232, 47564, 54142, 55319, 80464, 95128, 108284, 110638, 115667, 190256, 216568, 221276, 231334, 433136, 442552, 462668, 885104, 925336, 1272337, 1850672, 2544674, 5089348, 10178696, 20357392]

約数ペア:

[(1, 20357392), (2, 10178696), (4, 5089348), (8, 2544674), (11, 1850672), (16, 1272337), (22, 925336), (23, 885104), (44, 462668), (46, 442552), (47, 433136), (88, 231334), (92, 221276), (94, 216568), (107, 190256), (176, 115667), (184, 110638), (188, 108284), (214, 95128), (253, 80464), (368, 55319), (376, 54142), (428, 47564), (506, 40232), (517, 39376), (752, 27071), (856, 23782), (1012, 20116), (1034, 19688), (1081, 18832), (1177, 17296), (1712, 11891), (2024, 10058), (2068, 9844), (2162, 9416), (2354, 8648), (2461, 8272), (4048, 5029), (4136, 4922), (4324, 4708)]