20304877340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{816769}}^1$

素因数の和:816902

約数の個数: 48

約数和(自身を含む): 46928337120

約数和(自身を除く): 26623459780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 4972, 6215, 12430, 24860, 816769, 1633538, 3267076, 4083845, 8167690, 8984459, 16335380, 17968918, 35937836, 44922295, 89844590, 92294897, 179689180, 184589794, 369179588, 461474485, 922948970, 1015243867, 1845897940, 2030487734, 4060975468, 5076219335, 10152438670, 20304877340]

約数ペア:

[(1, 20304877340), (2, 10152438670), (4, 5076219335), (5, 4060975468), (10, 2030487734), (11, 1845897940), (20, 1015243867), (22, 922948970), (44, 461474485), (55, 369179588), (110, 184589794), (113, 179689180), (220, 92294897), (226, 89844590), (452, 44922295), (565, 35937836), (1130, 17968918), (1243, 16335380), (2260, 8984459), (2486, 8167690), (4972, 4083845), (6215, 3267076), (12430, 1633538), (24860, 816769)]