20857564237

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{1621}}^1$

素因数の和:1965

約数の個数: 32

約数和(自身を含む): 22870978560

約数和(自身を除く): 2013414323

約数列:

[1, 23, 29, 101, 191, 667, 1621, 2323, 2929, 4393, 5539, 19291, 37283, 47009, 67367, 127397, 163721, 309611, 443693, 559439, 1081207, 3765583, 4747909, 7121053, 8978719, 12867097, 31270711, 109201907, 206510537, 719226353, 906850619, 20857564237]

約数ペア:

[(1, 20857564237), (23, 906850619), (29, 719226353), (101, 206510537), (191, 109201907), (667, 31270711), (1621, 12867097), (2323, 8978719), (2929, 7121053), (4393, 4747909), (5539, 3765583), (19291, 1081207), (37283, 559439), (47009, 443693), (67367, 309611), (127397, 163721)]