20147796441

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1\times {\mathrm{1297}}^1$

素因数の和:1715

約数の個数: 64

約数和(自身を含む): 31849804800

約数和(自身を除く): 11702008359

約数列:

[1, 3, 9, 19, 27, 57, 107, 171, 283, 321, 513, 849, 963, 1297, 2033, 2547, 2889, 3891, 5377, 6099, 7641, 11673, 16131, 18297, 24643, 30281, 35019, 48393, 54891, 73929, 90843, 138779, 145179, 221787, 272529, 367051, 416337, 575339, 665361, 817587, 1101153, 1249011, 1726017, 2636801, 3303459, 3747033, 5178051, 6973969, 7910403, 9910377, 15534153, 20921907, 23731209, 39274457, 62765721, 71193627, 117823371, 188297163, 353470113, 746214683, 1060410339, 2238644049, 6715932147, 20147796441]

約数ペア:

[(1, 20147796441), (3, 6715932147), (9, 2238644049), (19, 1060410339), (27, 746214683), (57, 353470113), (107, 188297163), (171, 117823371), (283, 71193627), (321, 62765721), (513, 39274457), (849, 23731209), (963, 20921907), (1297, 15534153), (2033, 9910377), (2547, 7910403), (2889, 6973969), (3891, 5178051), (5377, 3747033), (6099, 3303459), (7641, 2636801), (11673, 1726017), (16131, 1249011), (18297, 1101153), (24643, 817587), (30281, 665361), (35019, 575339), (48393, 416337), (54891, 367051), (73929, 272529), (90843, 221787), (138779, 145179)]