20967650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 43256160

約数和(自身を除く): 22288510

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 67, 110, 134, 275, 335, 550, 569, 670, 737, 1138, 1474, 1675, 2845, 3350, 3685, 5690, 6259, 7370, 12518, 14225, 18425, 28450, 31295, 36850, 38123, 62590, 76246, 156475, 190615, 312950, 381230, 419353, 838706, 953075, 1906150, 2096765, 4193530, 10483825, 20967650]

約数ペア:

[(1, 20967650), (2, 10483825), (5, 4193530), (10, 2096765), (11, 1906150), (22, 953075), (25, 838706), (50, 419353), (55, 381230), (67, 312950), (110, 190615), (134, 156475), (275, 76246), (335, 62590), (550, 38123), (569, 36850), (670, 31295), (737, 28450), (1138, 18425), (1474, 14225), (1675, 12518), (2845, 7370), (3350, 6259), (3685, 5690)]