20340892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 42844032

約数和(自身を除く): 22503140

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 827, 946, 1118, 1654, 1892, 2236, 3308, 6149, 9097, 10751, 12298, 18194, 21502, 24596, 35561, 36388, 43004, 71122, 118261, 142244, 236522, 391171, 462293, 473044, 782342, 924586, 1564684, 1849172, 5085223, 10170446, 20340892]

約数ペア:

[(1, 20340892), (2, 10170446), (4, 5085223), (11, 1849172), (13, 1564684), (22, 924586), (26, 782342), (43, 473044), (44, 462293), (52, 391171), (86, 236522), (143, 142244), (172, 118261), (286, 71122), (473, 43004), (559, 36388), (572, 35561), (827, 24596), (946, 21502), (1118, 18194), (1654, 12298), (1892, 10751), (2236, 9097), (3308, 6149)]