20213094770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3967}}^1\times {\mathrm{4211}}^1$

素因数の和:8207

約数の個数: 48

約数和(自身を含む): 40011439104

約数和(自身を除く): 19798344334

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 3967, 4211, 7934, 8422, 19835, 21055, 39670, 42110, 43637, 46321, 87274, 92642, 218185, 231605, 436370, 463210, 480007, 509531, 960014, 1019062, 2400035, 2547655, 4800070, 5095310, 16705037, 33410074, 83525185, 167050370, 183755407, 367510814, 918777035, 1837554070, 2021309477, 4042618954, 10106547385, 20213094770]

約数ペア:

[(1, 20213094770), (2, 10106547385), (5, 4042618954), (10, 2021309477), (11, 1837554070), (22, 918777035), (55, 367510814), (110, 183755407), (121, 167050370), (242, 83525185), (605, 33410074), (1210, 16705037), (3967, 5095310), (4211, 4800070), (7934, 2547655), (8422, 2400035), (19835, 1019062), (21055, 960014), (39670, 509531), (42110, 480007), (43637, 463210), (46321, 436370), (87274, 231605), (92642, 218185)]