20954241

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10079}}^1$

素因数の和:10106

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 17752959

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 10079, 30237, 70553, 90711, 110869, 211659, 272133, 332607, 634977, 776083, 997821, 1904931, 2328249, 2993463, 6984747, 20954241]

約数ペア:

[(1, 20954241), (3, 6984747), (7, 2993463), (9, 2328249), (11, 1904931), (21, 997821), (27, 776083), (33, 634977), (63, 332607), (77, 272133), (99, 211659), (189, 110869), (231, 90711), (297, 70553), (693, 30237), (2079, 10079)]