16809920

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 56

約数和(自身を含む): 40434768

約数和(自身を除く): 23624848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 401, 524, 655, 802, 1048, 1310, 1604, 2005, 2096, 2620, 3208, 4010, 4192, 5240, 6416, 8020, 8384, 10480, 12832, 16040, 20960, 25664, 32080, 41920, 52531, 64160, 105062, 128320, 210124, 262655, 420248, 525310, 840496, 1050620, 1680992, 2101240, 3361984, 4202480, 8404960, 16809920]

約数ペア:

[(1, 16809920), (2, 8404960), (4, 4202480), (5, 3361984), (8, 2101240), (10, 1680992), (16, 1050620), (20, 840496), (32, 525310), (40, 420248), (64, 262655), (80, 210124), (131, 128320), (160, 105062), (262, 64160), (320, 52531), (401, 41920), (524, 32080), (655, 25664), (802, 20960), (1048, 16040), (1310, 12832), (1604, 10480), (2005, 8384), (2096, 8020), (2620, 6416), (3208, 5240), (4010, 4192)]