22816820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 52082688

約数和(自身を除く): 29265868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 691, 1270, 1382, 1651, 2540, 2764, 3302, 3455, 6604, 6910, 8255, 8983, 13820, 16510, 17966, 33020, 35932, 44915, 87757, 89830, 175514, 179660, 351028, 438785, 877570, 1140841, 1755140, 2281682, 4563364, 5704205, 11408410, 22816820]

約数ペア:

[(1, 22816820), (2, 11408410), (4, 5704205), (5, 4563364), (10, 2281682), (13, 1755140), (20, 1140841), (26, 877570), (52, 438785), (65, 351028), (127, 179660), (130, 175514), (254, 89830), (260, 87757), (508, 44915), (635, 35932), (691, 33020), (1270, 17966), (1382, 16510), (1651, 13820), (2540, 8983), (2764, 8255), (3302, 6910), (3455, 6604)]