20193888064

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1454053}}^1$

素因数の和:1454103

約数の個数: 56

約数和(自身を含む): 47274203648

約数和(自身を除く): 27080315584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 1454053, 2908106, 5816212, 10178371, 11632424, 20356742, 23264848, 40713484, 45075643, 46529696, 81426968, 90151286, 93059392, 162853936, 180302572, 315529501, 325707872, 360605144, 631059002, 651415744, 721210288, 1262118004, 1442420576, 2524236008, 2884841152, 5048472016, 10096944032, 20193888064]

約数ペア:

[(1, 20193888064), (2, 10096944032), (4, 5048472016), (7, 2884841152), (8, 2524236008), (14, 1442420576), (16, 1262118004), (28, 721210288), (31, 651415744), (32, 631059002), (56, 360605144), (62, 325707872), (64, 315529501), (112, 180302572), (124, 162853936), (217, 93059392), (224, 90151286), (248, 81426968), (434, 46529696), (448, 45075643), (496, 40713484), (868, 23264848), (992, 20356742), (1736, 11632424), (1984, 10178371), (3472, 5816212), (6944, 2908106), (13888, 1454053)]