20382474976

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{160159}}^1$

素因数の和:160307

約数の個数: 48

約数和(自身を含む): 41530769280

約数和(自身を除く): 21148294304

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 97, 164, 194, 328, 388, 656, 776, 1312, 1552, 3104, 3977, 7954, 15908, 31816, 63632, 127264, 160159, 320318, 640636, 1281272, 2562544, 5125088, 6566519, 13133038, 15535423, 26266076, 31070846, 52532152, 62141692, 105064304, 124283384, 210128608, 248566768, 497133536, 636952343, 1273904686, 2547809372, 5095618744, 10191237488, 20382474976]

約数ペア:

[(1, 20382474976), (2, 10191237488), (4, 5095618744), (8, 2547809372), (16, 1273904686), (32, 636952343), (41, 497133536), (82, 248566768), (97, 210128608), (164, 124283384), (194, 105064304), (328, 62141692), (388, 52532152), (656, 31070846), (776, 26266076), (1312, 15535423), (1552, 13133038), (3104, 6566519), (3977, 5125088), (7954, 2562544), (15908, 1281272), (31816, 640636), (63632, 320318), (127264, 160159)]