20807688

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{293}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 36345912

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 269, 293, 538, 586, 807, 879, 1076, 1172, 1614, 1758, 2152, 2344, 2959, 3223, 3228, 3516, 5918, 6446, 6456, 7032, 8877, 9669, 11836, 12892, 17754, 19338, 23672, 25784, 35508, 38676, 71016, 77352, 78817, 157634, 236451, 315268, 472902, 630536, 866987, 945804, 1733974, 1891608, 2600961, 3467948, 5201922, 6935896, 10403844, 20807688]

約数ペア:

[(1, 20807688), (2, 10403844), (3, 6935896), (4, 5201922), (6, 3467948), (8, 2600961), (11, 1891608), (12, 1733974), (22, 945804), (24, 866987), (33, 630536), (44, 472902), (66, 315268), (88, 236451), (132, 157634), (264, 78817), (269, 77352), (293, 71016), (538, 38676), (586, 35508), (807, 25784), (879, 23672), (1076, 19338), (1172, 17754), (1614, 12892), (1758, 11836), (2152, 9669), (2344, 8877), (2959, 7032), (3223, 6456), (3228, 6446), (3516, 5918)]