20528035143

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{475219}}^1$

素因数の和:475268

約数の個数: 48

約数和(自身を含む): 36405653760

約数和(自身を除く): 15877618617

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 121, 187, 231, 357, 363, 561, 847, 1309, 2057, 2541, 3927, 6171, 14399, 43197, 475219, 1425657, 3326533, 5227409, 8078723, 9979599, 15682227, 24236169, 36591863, 56551061, 57501499, 88865953, 109775589, 169653183, 172504497, 266597859, 402510493, 622061671, 977525483, 1207531479, 1866185013, 2932576449, 6842678381, 20528035143]

約数ペア:

[(1, 20528035143), (3, 6842678381), (7, 2932576449), (11, 1866185013), (17, 1207531479), (21, 977525483), (33, 622061671), (51, 402510493), (77, 266597859), (119, 172504497), (121, 169653183), (187, 109775589), (231, 88865953), (357, 57501499), (363, 56551061), (561, 36591863), (847, 24236169), (1309, 15682227), (2057, 9979599), (2541, 8078723), (3927, 5227409), (6171, 3326533), (14399, 1425657), (43197, 475219)]