20163578970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1\times {\mathrm{4549}}^1$

素因数の和:6711

約数の個数: 64

約数和(自身を含む): 49108550400

約数和(自身を除く): 28944971430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2081, 2130, 4162, 4549, 6243, 9098, 10405, 12486, 13647, 20810, 22745, 27294, 31215, 45490, 62430, 68235, 136470, 147751, 295502, 322979, 443253, 645958, 738755, 886506, 968937, 1477510, 1614895, 1937874, 2216265, 3229790, 4432530, 4844685, 9466469, 9689370, 18932938, 28399407, 47332345, 56798814, 94664690, 141997035, 283994070, 672119299, 1344238598, 2016357897, 3360596495, 4032715794, 6721192990, 10081789485, 20163578970]

約数ペア:

[(1, 20163578970), (2, 10081789485), (3, 6721192990), (5, 4032715794), (6, 3360596495), (10, 2016357897), (15, 1344238598), (30, 672119299), (71, 283994070), (142, 141997035), (213, 94664690), (355, 56798814), (426, 47332345), (710, 28399407), (1065, 18932938), (2081, 9689370), (2130, 9466469), (4162, 4844685), (4549, 4432530), (6243, 3229790), (9098, 2216265), (10405, 1937874), (12486, 1614895), (13647, 1477510), (20810, 968937), (22745, 886506), (27294, 738755), (31215, 645958), (45490, 443253), (62430, 322979), (68235, 295502), (136470, 147751)]