20705568

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:426

約数の個数: 96

約数和(自身を含む): 59947776

約数和(自身を除く): 39242208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 47, 48, 52, 78, 94, 96, 104, 141, 156, 188, 208, 282, 312, 353, 376, 416, 564, 611, 624, 706, 752, 1059, 1128, 1222, 1248, 1412, 1504, 1833, 2118, 2256, 2444, 2824, 3666, 4236, 4512, 4589, 4888, 5648, 7332, 8472, 9178, 9776, 11296, 13767, 14664, 16591, 16944, 18356, 19552, 27534, 29328, 33182, 33888, 36712, 49773, 55068, 58656, 66364, 73424, 99546, 110136, 132728, 146848, 199092, 215683, 220272, 265456, 398184, 431366, 440544, 530912, 647049, 796368, 862732, 1294098, 1592736, 1725464, 2588196, 3450928, 5176392, 6901856, 10352784, 20705568]

約数ペア:

[(1, 20705568), (2, 10352784), (3, 6901856), (4, 5176392), (6, 3450928), (8, 2588196), (12, 1725464), (13, 1592736), (16, 1294098), (24, 862732), (26, 796368), (32, 647049), (39, 530912), (47, 440544), (48, 431366), (52, 398184), (78, 265456), (94, 220272), (96, 215683), (104, 199092), (141, 146848), (156, 132728), (188, 110136), (208, 99546), (282, 73424), (312, 66364), (353, 58656), (376, 55068), (416, 49773), (564, 36712), (611, 33888), (624, 33182), (706, 29328), (752, 27534), (1059, 19552), (1128, 18356), (1222, 16944), (1248, 16591), (1412, 14664), (1504, 13767), (1833, 11296), (2118, 9776), (2256, 9178), (2444, 8472), (2824, 7332), (3666, 5648), (4236, 4888), (4512, 4589)]