20951037165

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{359}}^1\times {\mathrm{18439}}^1$

素因数の和:19017

約数の個数: 32

約数和(自身を含む): 33776179200

約数和(自身を除く): 12825142035

約数列:

[1, 3, 5, 15, 211, 359, 633, 1055, 1077, 1795, 3165, 5385, 18439, 55317, 75749, 92195, 227247, 276585, 378745, 1136235, 3890629, 6619601, 11671887, 19453145, 19858803, 33098005, 58359435, 99294015, 1396735811, 4190207433, 6983679055, 20951037165]

約数ペア:

[(1, 20951037165), (3, 6983679055), (5, 4190207433), (15, 1396735811), (211, 99294015), (359, 58359435), (633, 33098005), (1055, 19858803), (1077, 19453145), (1795, 11671887), (3165, 6619601), (5385, 3890629), (18439, 1136235), (55317, 378745), (75749, 276585), (92195, 227247)]