20080340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7549}}^1$

素因数の和:7584

約数の個数: 48

約数和(自身を含む): 50736000

約数和(自身を除く): 30655660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7549, 15098, 30196, 37745, 52843, 75490, 105686, 143431, 150980, 211372, 264215, 286862, 528430, 573724, 717155, 1004017, 1056860, 1434310, 2008034, 2868620, 4016068, 5020085, 10040170, 20080340]

約数ペア:

[(1, 20080340), (2, 10040170), (4, 5020085), (5, 4016068), (7, 2868620), (10, 2008034), (14, 1434310), (19, 1056860), (20, 1004017), (28, 717155), (35, 573724), (38, 528430), (70, 286862), (76, 264215), (95, 211372), (133, 150980), (140, 143431), (190, 105686), (266, 75490), (380, 52843), (532, 37745), (665, 30196), (1330, 15098), (2660, 7549)]