20771181765

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1\times {\mathrm{13807}}^1$

素因数の和:14250

約数の個数: 48

約数和(自身を含む): 36472340736

約数和(自身を除く): 15701158971

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 331, 505, 909, 993, 1515, 1655, 2979, 4545, 4965, 13807, 14895, 33431, 41421, 69035, 100293, 124263, 167155, 207105, 300879, 501465, 621315, 1394507, 1504395, 4183521, 4570117, 6972535, 12550563, 13710351, 20917605, 22850585, 41131053, 62752815, 68551755, 205655265, 461581817, 1384745451, 2307909085, 4154236353, 6923727255, 20771181765]

約数ペア:

[(1, 20771181765), (3, 6923727255), (5, 4154236353), (9, 2307909085), (15, 1384745451), (45, 461581817), (101, 205655265), (303, 68551755), (331, 62752815), (505, 41131053), (909, 22850585), (993, 20917605), (1515, 13710351), (1655, 12550563), (2979, 6972535), (4545, 4570117), (4965, 4183521), (13807, 1504395), (14895, 1394507), (33431, 621315), (41421, 501465), (69035, 300879), (100293, 207105), (124263, 167155)]