20403976304

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{929}}^1\times {\mathrm{44281}}^1$

素因数の和:45249

約数の個数: 40

約数和(自身を含む): 40852801920

約数和(自身を除く): 20448825616

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 929, 1858, 3716, 7432, 14864, 28799, 44281, 57598, 88562, 115196, 177124, 230392, 354248, 460784, 708496, 1372711, 2745422, 5490844, 10981688, 21963376, 41137049, 82274098, 164548196, 329096392, 658192784, 1275248519, 2550497038, 5100994076, 10201988152, 20403976304]

約数ペア:

[(1, 20403976304), (2, 10201988152), (4, 5100994076), (8, 2550497038), (16, 1275248519), (31, 658192784), (62, 329096392), (124, 164548196), (248, 82274098), (496, 41137049), (929, 21963376), (1858, 10981688), (3716, 5490844), (7432, 2745422), (14864, 1372711), (28799, 708496), (44281, 460784), (57598, 354248), (88562, 230392), (115196, 177124)]