20796984

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1307}}^1$

素因数の和:1349

約数の個数: 96

約数和(自身を含む): 64275120

約数和(自身を除く): 43478136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 34, 36, 39, 51, 52, 68, 72, 78, 102, 104, 117, 136, 153, 156, 204, 221, 234, 306, 312, 408, 442, 468, 612, 663, 884, 936, 1224, 1307, 1326, 1768, 1989, 2614, 2652, 3921, 3978, 5228, 5304, 7842, 7956, 10456, 11763, 15684, 15912, 16991, 22219, 23526, 31368, 33982, 44438, 47052, 50973, 66657, 67964, 88876, 94104, 101946, 133314, 135928, 152919, 177752, 199971, 203892, 266628, 288847, 305838, 399942, 407784, 533256, 577694, 611676, 799884, 866541, 1155388, 1223352, 1599768, 1733082, 2310776, 2599623, 3466164, 5199246, 6932328, 10398492, 20796984]

約数ペア:

[(1, 20796984), (2, 10398492), (3, 6932328), (4, 5199246), (6, 3466164), (8, 2599623), (9, 2310776), (12, 1733082), (13, 1599768), (17, 1223352), (18, 1155388), (24, 866541), (26, 799884), (34, 611676), (36, 577694), (39, 533256), (51, 407784), (52, 399942), (68, 305838), (72, 288847), (78, 266628), (102, 203892), (104, 199971), (117, 177752), (136, 152919), (153, 135928), (156, 133314), (204, 101946), (221, 94104), (234, 88876), (306, 67964), (312, 66657), (408, 50973), (442, 47052), (468, 44438), (612, 33982), (663, 31368), (884, 23526), (936, 22219), (1224, 16991), (1307, 15912), (1326, 15684), (1768, 11763), (1989, 10456), (2614, 7956), (2652, 7842), (3921, 5304), (3978, 5228)]