20071964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{367}}^1$

素因数の和:506

約数の個数: 36

約数和(自身を含む): 39057312

約数和(自身を除く): 18985348

約数列:

[1, 2, 4, 11, 22, 44, 113, 121, 226, 242, 367, 452, 484, 734, 1243, 1468, 2486, 4037, 4972, 8074, 13673, 16148, 27346, 41471, 44407, 54692, 82942, 88814, 165884, 177628, 456181, 912362, 1824724, 5017991, 10035982, 20071964]

約数ペア:

[(1, 20071964), (2, 10035982), (4, 5017991), (11, 1824724), (22, 912362), (44, 456181), (113, 177628), (121, 165884), (226, 88814), (242, 82942), (367, 54692), (452, 44407), (484, 41471), (734, 27346), (1243, 16148), (1468, 13673), (2486, 8074), (4037, 4972)]