20772381

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1483}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 13418979

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1483, 2001, 4449, 4669, 10381, 14007, 31143, 34109, 43007, 102327, 129021, 238763, 301049, 716289, 903147, 989161, 2967483, 6924127, 20772381]

約数ペア:

[(1, 20772381), (3, 6924127), (7, 2967483), (21, 989161), (23, 903147), (29, 716289), (69, 301049), (87, 238763), (161, 129021), (203, 102327), (483, 43007), (609, 34109), (667, 31143), (1483, 14007), (2001, 10381), (4449, 4669)]