20199194530

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1\times {\mathrm{691}}^1$

素因数の和:1331

約数の個数: 64

約数和(自身を含む): 37581844608

約数和(自身を除く): 17382650078

約数列:

[1, 2, 5, 10, 43, 86, 157, 215, 314, 430, 433, 691, 785, 866, 1382, 1570, 2165, 3455, 4330, 6751, 6910, 13502, 18619, 29713, 33755, 37238, 59426, 67510, 67981, 93095, 108487, 135962, 148565, 186190, 216974, 297130, 299203, 339905, 542435, 598406, 679810, 1084870, 1496015, 2923183, 2992030, 4664941, 5846366, 9329882, 12865729, 14615915, 23324705, 25731458, 29231830, 46649410, 46974871, 64328645, 93949742, 128657290, 234874355, 469748710, 2019919453, 4039838906, 10099597265, 20199194530]

約数ペア:

[(1, 20199194530), (2, 10099597265), (5, 4039838906), (10, 2019919453), (43, 469748710), (86, 234874355), (157, 128657290), (215, 93949742), (314, 64328645), (430, 46974871), (433, 46649410), (691, 29231830), (785, 25731458), (866, 23324705), (1382, 14615915), (1570, 12865729), (2165, 9329882), (3455, 5846366), (4330, 4664941), (6751, 2992030), (6910, 2923183), (13502, 1496015), (18619, 1084870), (29713, 679810), (33755, 598406), (37238, 542435), (59426, 339905), (67510, 299203), (67981, 297130), (93095, 216974), (108487, 186190), (135962, 148565)]