20201006488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194240447}}^1$

素因数の和:194240466

約数の個数: 16

約数和(自身を含む): 40790494080

約数和(自身を除く): 20589487592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194240447, 388480894, 776961788, 1553923576, 2525125811, 5050251622, 10100503244, 20201006488]

約数ペア:

[(1, 20201006488), (2, 10100503244), (4, 5050251622), (8, 2525125811), (13, 1553923576), (26, 776961788), (52, 388480894), (104, 194240447)]