20348520196

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{743}}^1\times {\mathrm{1321}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 36683152128

約数和(自身を除く): 16334631932

約数列:

[1, 2, 4, 71, 73, 142, 146, 284, 292, 743, 1321, 1486, 2642, 2972, 5183, 5284, 10366, 20732, 52753, 54239, 93791, 96433, 105506, 108478, 187582, 192866, 211012, 216956, 375164, 385732, 981503, 1963006, 3850969, 3926012, 6846743, 7701938, 13693486, 15403876, 27386972, 69686713, 71649719, 139373426, 143299438, 278746852, 286598876, 5087130049, 10174260098, 20348520196]

約数ペア:

[(1, 20348520196), (2, 10174260098), (4, 5087130049), (71, 286598876), (73, 278746852), (142, 143299438), (146, 139373426), (284, 71649719), (292, 69686713), (743, 27386972), (1321, 15403876), (1486, 13693486), (2642, 7701938), (2972, 6846743), (5183, 3926012), (5284, 3850969), (10366, 1963006), (20732, 981503), (52753, 385732), (54239, 375164), (93791, 216956), (96433, 211012), (105506, 192866), (108478, 187582)]