20154687076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{503213}}^1$

素因数の和:503284

約数の個数: 48

約数和(自身を含む): 40579176960

約数和(自身を除く): 20424489884

約数列:

[1, 2, 4, 17, 19, 31, 34, 38, 62, 68, 76, 124, 323, 527, 589, 646, 1054, 1178, 1292, 2108, 2356, 10013, 20026, 40052, 503213, 1006426, 2012852, 8554621, 9561047, 15599603, 17109242, 19122094, 31199206, 34218484, 38244188, 62398412, 162537799, 265193251, 296392457, 325075598, 530386502, 592784914, 650151196, 1060773004, 1185569828, 5038671769, 10077343538, 20154687076]

約数ペア:

[(1, 20154687076), (2, 10077343538), (4, 5038671769), (17, 1185569828), (19, 1060773004), (31, 650151196), (34, 592784914), (38, 530386502), (62, 325075598), (68, 296392457), (76, 265193251), (124, 162537799), (323, 62398412), (527, 38244188), (589, 34218484), (646, 31199206), (1054, 19122094), (1178, 17109242), (1292, 15599603), (2108, 9561047), (2356, 8554621), (10013, 2012852), (20026, 1006426), (40052, 503213)]