20216948241

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{367027}}^1$

素因数の和:367141

約数の個数: 32

約数和(自身を含む): 32040076288

約数和(自身を除く): 11823128047

約数列:

[1, 3, 7, 21, 43, 61, 129, 183, 301, 427, 903, 1281, 2623, 7869, 18361, 55083, 367027, 1101081, 2569189, 7707567, 15782161, 22388647, 47346483, 67165941, 110475127, 156720529, 331425381, 470161587, 962711821, 2888135463, 6738982747, 20216948241]

約数ペア:

[(1, 20216948241), (3, 6738982747), (7, 2888135463), (21, 962711821), (43, 470161587), (61, 331425381), (129, 156720529), (183, 110475127), (301, 67165941), (427, 47346483), (903, 22388647), (1281, 15782161), (2623, 7707567), (7869, 2569189), (18361, 1101081), (55083, 367027)]