20398492730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3784507}}^1$

素因数の和:3784539

約数の個数: 48

約数和(自身を含む): 46594862496

約数和(自身を除く): 26196369766

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 3784507, 7569014, 18922535, 26491549, 37845070, 41629577, 52983098, 83259154, 132457745, 185440843, 208147885, 264915490, 291407039, 370881686, 416295770, 582814078, 927204215, 1457035195, 1854408430, 2039849273, 2914070390, 4079698546, 10199246365, 20398492730]

約数ペア:

[(1, 20398492730), (2, 10199246365), (5, 4079698546), (7, 2914070390), (10, 2039849273), (11, 1854408430), (14, 1457035195), (22, 927204215), (35, 582814078), (49, 416295770), (55, 370881686), (70, 291407039), (77, 264915490), (98, 208147885), (110, 185440843), (154, 132457745), (245, 83259154), (385, 52983098), (490, 41629577), (539, 37845070), (770, 26491549), (1078, 18922535), (2695, 7569014), (5390, 3784507)]