20100793820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{48649}}^1$

素因数の和:49014

約数の個数: 48

約数和(自身を含む): 42941992800

約数和(自身を除く): 22841198980

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 283, 292, 365, 566, 730, 1132, 1415, 1460, 2830, 5660, 20659, 41318, 48649, 82636, 97298, 103295, 194596, 206590, 243245, 413180, 486490, 972980, 3551377, 7102754, 13767667, 14205508, 17756885, 27535334, 35513770, 55070668, 68838335, 71027540, 137676670, 275353340, 1005039691, 2010079382, 4020158764, 5025198455, 10050396910, 20100793820]

約数ペア:

[(1, 20100793820), (2, 10050396910), (4, 5025198455), (5, 4020158764), (10, 2010079382), (20, 1005039691), (73, 275353340), (146, 137676670), (283, 71027540), (292, 68838335), (365, 55070668), (566, 35513770), (730, 27535334), (1132, 17756885), (1415, 14205508), (1460, 13767667), (2830, 7102754), (5660, 3551377), (20659, 972980), (41318, 486490), (48649, 413180), (82636, 243245), (97298, 206590), (103295, 194596)]