20218146

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 44411904

約数和(自身を除く): 24193758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 157, 169, 254, 314, 338, 381, 471, 507, 762, 942, 1014, 1651, 2041, 3302, 4082, 4953, 6123, 9906, 12246, 19939, 21463, 26533, 39878, 42926, 53066, 59817, 64389, 79599, 119634, 128778, 159198, 259207, 518414, 777621, 1555242, 3369691, 6739382, 10109073, 20218146]

約数ペア:

[(1, 20218146), (2, 10109073), (3, 6739382), (6, 3369691), (13, 1555242), (26, 777621), (39, 518414), (78, 259207), (127, 159198), (157, 128778), (169, 119634), (254, 79599), (314, 64389), (338, 59817), (381, 53066), (471, 42926), (507, 39878), (762, 26533), (942, 21463), (1014, 19939), (1651, 12246), (2041, 9906), (3302, 6123), (4082, 4953)]