20143896220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{351797}}^1$

素因数の和:352222

約数の個数: 48

約数和(自身を含む): 48463692480

約数和(自身を除く): 28319796260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1636, 2045, 2863, 4090, 5726, 8180, 11452, 14315, 28630, 57260, 351797, 703594, 1407188, 1758985, 2462579, 3517970, 4925158, 7035940, 9850316, 12312895, 24625790, 49251580, 143884973, 287769946, 575539892, 719424865, 1007194811, 1438849730, 2014389622, 2877699460, 4028779244, 5035974055, 10071948110, 20143896220]

約数ペア:

[(1, 20143896220), (2, 10071948110), (4, 5035974055), (5, 4028779244), (7, 2877699460), (10, 2014389622), (14, 1438849730), (20, 1007194811), (28, 719424865), (35, 575539892), (70, 287769946), (140, 143884973), (409, 49251580), (818, 24625790), (1636, 12312895), (2045, 9850316), (2863, 7035940), (4090, 4925158), (5726, 3517970), (8180, 2462579), (11452, 1758985), (14315, 1407188), (28630, 703594), (57260, 351797)]