20451068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23094532

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1439, 2878, 3553, 5756, 7106, 14212, 15829, 24463, 27341, 31658, 48926, 54682, 63316, 97852, 109364, 269093, 300751, 464797, 538186, 601502, 929594, 1076372, 1203004, 1859188, 5112767, 10225534, 20451068]

約数ペア:

[(1, 20451068), (2, 10225534), (4, 5112767), (11, 1859188), (17, 1203004), (19, 1076372), (22, 929594), (34, 601502), (38, 538186), (44, 464797), (68, 300751), (76, 269093), (187, 109364), (209, 97852), (323, 63316), (374, 54682), (418, 48926), (646, 31658), (748, 27341), (836, 24463), (1292, 15829), (1439, 14212), (2878, 7106), (3553, 5756)]