20201997321

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{2903}}^1\times {\mathrm{23431}}^1$

素因数の和:26354

約数の個数: 32

約数和(自身を含む): 32662333440

約数和(自身を除く): 12460336119

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 2903, 8709, 23431, 26127, 31933, 70293, 78381, 95799, 210879, 257741, 287397, 632637, 773223, 862191, 2319669, 6959007, 68020193, 204060579, 612181737, 748222123, 1836545211, 2244666369, 6733999107, 20201997321]

約数ペア:

[(1, 20201997321), (3, 6733999107), (9, 2244666369), (11, 1836545211), (27, 748222123), (33, 612181737), (99, 204060579), (297, 68020193), (2903, 6959007), (8709, 2319669), (23431, 862191), (26127, 773223), (31933, 632637), (70293, 287397), (78381, 257741), (95799, 210879)]