20353047

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 33962880

約数和(自身を除く): 13609833

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 121, 143, 209, 227, 247, 363, 429, 627, 681, 741, 1573, 2299, 2497, 2717, 2951, 4313, 4719, 6897, 7491, 8151, 8853, 12939, 27467, 29887, 32461, 47443, 56069, 82401, 89661, 97383, 142329, 168207, 357071, 521873, 616759, 1071213, 1565619, 1850277, 6784349, 20353047]

約数ペア:

[(1, 20353047), (3, 6784349), (11, 1850277), (13, 1565619), (19, 1071213), (33, 616759), (39, 521873), (57, 357071), (121, 168207), (143, 142329), (209, 97383), (227, 89661), (247, 82401), (363, 56069), (429, 47443), (627, 32461), (681, 29887), (741, 27467), (1573, 12939), (2299, 8853), (2497, 8151), (2717, 7491), (2951, 6897), (4313, 4719)]