20179905291

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24639689}}^1$

素因数の和:24639715

約数の個数: 24

約数和(自身を含む): 35875388640

約数和(自身を除く): 15695483349

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24639689, 73919067, 172477823, 221757201, 320315957, 517433469, 960947871, 1552300407, 2242211699, 2882843613, 6726635097, 20179905291]

約数ペア:

[(1, 20179905291), (3, 6726635097), (7, 2882843613), (9, 2242211699), (13, 1552300407), (21, 960947871), (39, 517433469), (63, 320315957), (91, 221757201), (117, 172477823), (273, 73919067), (819, 24639689)]