20818608

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:882

約数の個数: 80

約数和(自身を含む): 58853376

約数和(自身を除く): 38034768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 272, 372, 408, 496, 527, 744, 816, 823, 1054, 1488, 1581, 1646, 2108, 2469, 3162, 3292, 4216, 4938, 6324, 6584, 8432, 9876, 12648, 13168, 13991, 19752, 25296, 25513, 27982, 39504, 41973, 51026, 55964, 76539, 83946, 102052, 111928, 153078, 167892, 204104, 223856, 306156, 335784, 408208, 433721, 612312, 671568, 867442, 1224624, 1301163, 1734884, 2602326, 3469768, 5204652, 6939536, 10409304, 20818608]

約数ペア:

[(1, 20818608), (2, 10409304), (3, 6939536), (4, 5204652), (6, 3469768), (8, 2602326), (12, 1734884), (16, 1301163), (17, 1224624), (24, 867442), (31, 671568), (34, 612312), (48, 433721), (51, 408208), (62, 335784), (68, 306156), (93, 223856), (102, 204104), (124, 167892), (136, 153078), (186, 111928), (204, 102052), (248, 83946), (272, 76539), (372, 55964), (408, 51026), (496, 41973), (527, 39504), (744, 27982), (816, 25513), (823, 25296), (1054, 19752), (1488, 13991), (1581, 13168), (1646, 12648), (2108, 9876), (2469, 8432), (3162, 6584), (3292, 6324), (4216, 4938)]