20320852006

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1\times {\mathrm{2113}}^1$

素因数の和:3185

約数の個数: 64

約数和(自身を含む): 38279703168

約数和(自身を除く): 17958851162

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 689, 742, 997, 1378, 1994, 2113, 4226, 4823, 6979, 9646, 12961, 13958, 14791, 25922, 27469, 29582, 52841, 54938, 90727, 105682, 111989, 181454, 192283, 223978, 369887, 384566, 686933, 739774, 783923, 1373866, 1455857, 1567846, 2106661, 2911714, 4213322, 4808531, 9617062, 10190999, 14746627, 20381998, 27386593, 29493254, 54773186, 111653033, 191706151, 223306066, 383412302, 781571231, 1451489429, 1563142462, 2902978858, 10160426003, 20320852006]

約数ペア:

[(1, 20320852006), (2, 10160426003), (7, 2902978858), (13, 1563142462), (14, 1451489429), (26, 781571231), (53, 383412302), (91, 223306066), (106, 191706151), (182, 111653033), (371, 54773186), (689, 29493254), (742, 27386593), (997, 20381998), (1378, 14746627), (1994, 10190999), (2113, 9617062), (4226, 4808531), (4823, 4213322), (6979, 2911714), (9646, 2106661), (12961, 1567846), (13958, 1455857), (14791, 1373866), (25922, 783923), (27469, 739774), (29582, 686933), (52841, 384566), (54938, 369887), (90727, 223978), (105682, 192283), (111989, 181454)]