20787078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11587}}^1$

素因数の和:11628

約数の個数: 32

約数和(自身を含む): 46722816

約数和(自身を除く): 25935738

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11587, 23174, 34761, 69522, 150631, 266501, 301262, 451893, 533002, 799503, 903786, 1599006, 3464513, 6929026, 10393539, 20787078]

約数ペア:

[(1, 20787078), (2, 10393539), (3, 6929026), (6, 3464513), (13, 1599006), (23, 903786), (26, 799503), (39, 533002), (46, 451893), (69, 301262), (78, 266501), (138, 150631), (299, 69522), (598, 34761), (897, 23174), (1794, 11587)]