20216735661928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11981}}^1\times {\mathrm{523387}}^1$

素因数の和:535418

約数の個数: 64

約数和(自身を含む): 42142699307520

約数和(自身を除く): 21925963645592

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 11981, 23962, 47924, 95848, 155753, 311506, 371411, 523387, 623012, 742822, 1046774, 1246024, 1485644, 2093548, 2971288, 4187096, 4828343, 6804031, 9656686, 13608062, 16224997, 19313372, 27216124, 32449994, 38626744, 54432248, 64899988, 129799976, 210924961, 421849922, 843699844, 1687399688, 6270699647, 12541399294, 25082798588, 50165597176, 81519095411, 163038190822, 194391689057, 326076381644, 388783378114, 652152763288, 777566756228, 1555133512456, 2527091957741, 5054183915482, 10108367830964, 20216735661928]

約数ペア:

[(1, 20216735661928), (2, 10108367830964), (4, 5054183915482), (8, 2527091957741), (13, 1555133512456), (26, 777566756228), (31, 652152763288), (52, 388783378114), (62, 326076381644), (104, 194391689057), (124, 163038190822), (248, 81519095411), (403, 50165597176), (806, 25082798588), (1612, 12541399294), (3224, 6270699647), (11981, 1687399688), (23962, 843699844), (47924, 421849922), (95848, 210924961), (155753, 129799976), (311506, 64899988), (371411, 54432248), (523387, 38626744), (623012, 32449994), (742822, 27216124), (1046774, 19313372), (1246024, 16224997), (1485644, 13608062), (2093548, 9656686), (2971288, 6804031), (4187096, 4828343)]