20164042941

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{4079}}^1$

素因数の和:4394

約数の個数: 64

約数和(自身を含む): 33220730880

約数和(自身を除く): 13056687939

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 227, 357, 427, 681, 1037, 1281, 1589, 3111, 3859, 4079, 4767, 7259, 11577, 12237, 13847, 21777, 27013, 28553, 41541, 69343, 81039, 85659, 96929, 208029, 235399, 248819, 290787, 485401, 706197, 746457, 925933, 1456203, 1647793, 1741733, 2777799, 4229923, 4943379, 5225199, 6481531, 12689769, 15740861, 19444593, 29609461, 47222583, 56481913, 88828383, 110186027, 169445739, 330558081, 395373391, 960192521, 1186120173, 2880577563, 6721347647, 20164042941]

約数ペア:

[(1, 20164042941), (3, 6721347647), (7, 2880577563), (17, 1186120173), (21, 960192521), (51, 395373391), (61, 330558081), (119, 169445739), (183, 110186027), (227, 88828383), (357, 56481913), (427, 47222583), (681, 29609461), (1037, 19444593), (1281, 15740861), (1589, 12689769), (3111, 6481531), (3859, 5225199), (4079, 4943379), (4767, 4229923), (7259, 2777799), (11577, 1741733), (12237, 1647793), (13847, 1456203), (21777, 925933), (27013, 746457), (28553, 706197), (41541, 485401), (69343, 290787), (81039, 248819), (85659, 235399), (96929, 208029)]