20312977235

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{239441}}^1$

素因数の和:239531

約数の個数: 24

約数和(自身を含む): 26273491776

約数和(自身を除く): 5960514541

約数列:

[1, 5, 19, 47, 95, 235, 361, 893, 1805, 4465, 16967, 84835, 239441, 1197205, 4549379, 11253727, 22746895, 56268635, 86438201, 213820813, 432191005, 1069104065, 4062595447, 20312977235]

約数ペア:

[(1, 20312977235), (5, 4062595447), (19, 1069104065), (47, 432191005), (95, 213820813), (235, 86438201), (361, 56268635), (893, 22746895), (1805, 11253727), (4465, 4549379), (16967, 1197205), (84835, 239441)]