20218402820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13128833}}^1$

素因数の和:13128860

約数の個数: 48

約数和(自身を含む): 52935458688

約数和(自身を除く): 32717055868

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13128833, 26257666, 52515332, 65644165, 91901831, 131288330, 144417163, 183803662, 262576660, 288834326, 367607324, 459509155, 577668652, 722085815, 919018310, 1010920141, 1444171630, 1838036620, 2021840282, 2888343260, 4043680564, 5054600705, 10109201410, 20218402820]

約数ペア:

[(1, 20218402820), (2, 10109201410), (4, 5054600705), (5, 4043680564), (7, 2888343260), (10, 2021840282), (11, 1838036620), (14, 1444171630), (20, 1010920141), (22, 919018310), (28, 722085815), (35, 577668652), (44, 459509155), (55, 367607324), (70, 288834326), (77, 262576660), (110, 183803662), (140, 144417163), (154, 131288330), (220, 91901831), (308, 65644165), (385, 52515332), (770, 26257666), (1540, 13128833)]