20730888

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{16937}}^1$

素因数の和:16966

約数の個数: 48

約数和(自身を含む): 59452380

約数和(自身を除く): 38721492

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 16937, 33874, 50811, 67748, 101622, 135496, 152433, 203244, 287929, 304866, 406488, 575858, 609732, 863787, 1151716, 1219464, 1727574, 2303432, 2591361, 3455148, 5182722, 6910296, 10365444, 20730888]

約数ペア:

[(1, 20730888), (2, 10365444), (3, 6910296), (4, 5182722), (6, 3455148), (8, 2591361), (9, 2303432), (12, 1727574), (17, 1219464), (18, 1151716), (24, 863787), (34, 609732), (36, 575858), (51, 406488), (68, 304866), (72, 287929), (102, 203244), (136, 152433), (153, 135496), (204, 101622), (306, 67748), (408, 50811), (612, 33874), (1224, 16937)]