20104421841

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1\times {\mathrm{2693}}^1$

素因数の和:4446

約数の個数: 48

約数和(自身を含む): 33688362240

約数和(自身を除く): 13583940399

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 1669, 2693, 4473, 5007, 8079, 11683, 15021, 18851, 24237, 35049, 56553, 105147, 118499, 169659, 191203, 355497, 573609, 829493, 1066491, 1338421, 1720827, 2488479, 4015263, 4494617, 7465437, 12045789, 13483851, 31462319, 40451553, 94386957, 283160871, 319117807, 957353421, 2233824649, 2872060263, 6701473947, 20104421841]

約数ペア:

[(1, 20104421841), (3, 6701473947), (7, 2872060263), (9, 2233824649), (21, 957353421), (63, 319117807), (71, 283160871), (213, 94386957), (497, 40451553), (639, 31462319), (1491, 13483851), (1669, 12045789), (2693, 7465437), (4473, 4494617), (5007, 4015263), (8079, 2488479), (11683, 1720827), (15021, 1338421), (18851, 1066491), (24237, 829493), (35049, 573609), (56553, 355497), (105147, 191203), (118499, 169659)]