20117548815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{42473}}^1$

素因数の和:42848

約数の個数: 64

約数和(自身を含む): 39731198976

約数和(自身を除く): 19613650161

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 347, 455, 1041, 1365, 1735, 2429, 4511, 5205, 7287, 12145, 13533, 22555, 31577, 36435, 42473, 67665, 94731, 127419, 157885, 212365, 297311, 473655, 552149, 637095, 891933, 1486555, 1656447, 2760745, 3865043, 4459665, 8282235, 11595129, 14738131, 19325215, 44214393, 57975645, 73690655, 103166917, 191595703, 221071965, 309500751, 515834585, 574787109, 957978515, 1341169921, 1547503755, 2873935545, 4023509763, 6705849605, 20117548815]

約数ペア:

[(1, 20117548815), (3, 6705849605), (5, 4023509763), (7, 2873935545), (13, 1547503755), (15, 1341169921), (21, 957978515), (35, 574787109), (39, 515834585), (65, 309500751), (91, 221071965), (105, 191595703), (195, 103166917), (273, 73690655), (347, 57975645), (455, 44214393), (1041, 19325215), (1365, 14738131), (1735, 11595129), (2429, 8282235), (4511, 4459665), (5205, 3865043), (7287, 2760745), (12145, 1656447), (13533, 1486555), (22555, 891933), (31577, 637095), (36435, 552149), (42473, 473655), (67665, 297311), (94731, 212365), (127419, 157885)]