20565543159

素因数分解:

$3^2\times 7^1\times {\mathrm{16451}}^1\times {\mathrm{19843}}^1$

素因数の和:36307

約数の個数: 24

約数和(自身を含む): 33953242752

約数和(自身を除く): 13387699593

約数列:

[1, 3, 7, 9, 21, 63, 16451, 19843, 49353, 59529, 115157, 138901, 148059, 178587, 345471, 416703, 1036413, 1250109, 326437193, 979311579, 2285060351, 2937934737, 6855181053, 20565543159]

約数ペア:

[(1, 20565543159), (3, 6855181053), (7, 2937934737), (9, 2285060351), (21, 979311579), (63, 326437193), (16451, 1250109), (19843, 1036413), (49353, 416703), (59529, 345471), (115157, 178587), (138901, 148059)]