20047964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 19868836

約数列:

[1, 2, 4, 17, 19, 34, 38, 59, 68, 76, 118, 236, 263, 323, 526, 646, 1003, 1052, 1121, 1292, 2006, 2242, 4012, 4471, 4484, 4997, 8942, 9994, 15517, 17884, 19057, 19988, 31034, 38114, 62068, 76228, 84949, 169898, 263789, 294823, 339796, 527578, 589646, 1055156, 1179292, 5011991, 10023982, 20047964]

約数ペア:

[(1, 20047964), (2, 10023982), (4, 5011991), (17, 1179292), (19, 1055156), (34, 589646), (38, 527578), (59, 339796), (68, 294823), (76, 263789), (118, 169898), (236, 84949), (263, 76228), (323, 62068), (526, 38114), (646, 31034), (1003, 19988), (1052, 19057), (1121, 17884), (1292, 15517), (2006, 9994), (2242, 8942), (4012, 4997), (4471, 4484)]