20189773136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7873}}^1\times {\mathrm{12329}}^1$

素因数の和:20223

約数の個数: 40

約数和(自身を含む): 42135506280

約数和(自身を除く): 21945733144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7873, 12329, 15746, 24658, 31492, 49316, 62984, 98632, 102349, 125968, 160277, 197264, 204698, 320554, 409396, 641108, 818792, 1282216, 1637584, 2564432, 97066217, 194132434, 388264868, 776529736, 1261860821, 1553059472, 2523721642, 5047443284, 10094886568, 20189773136]

約数ペア:

[(1, 20189773136), (2, 10094886568), (4, 5047443284), (8, 2523721642), (13, 1553059472), (16, 1261860821), (26, 776529736), (52, 388264868), (104, 194132434), (208, 97066217), (7873, 2564432), (12329, 1637584), (15746, 1282216), (24658, 818792), (31492, 641108), (49316, 409396), (62984, 320554), (98632, 204698), (102349, 197264), (125968, 160277)]