20198072097

素因数分解:

$3^2\times 7^2\times {\mathrm{2029}}^1\times {\mathrm{22573}}^1$

素因数の和:24622

約数の個数: 36

約数和(自身を含む): 33956488020

約数和(自身を除く): 13758415923

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2029, 6087, 14203, 18261, 22573, 42609, 67719, 99421, 127827, 158011, 203157, 298263, 474033, 894789, 1106077, 1422099, 3318231, 9954693, 45800617, 137401851, 320604319, 412205553, 961812957, 2244230233, 2885438871, 6732690699, 20198072097]

約数ペア:

[(1, 20198072097), (3, 6732690699), (7, 2885438871), (9, 2244230233), (21, 961812957), (49, 412205553), (63, 320604319), (147, 137401851), (441, 45800617), (2029, 9954693), (6087, 3318231), (14203, 1422099), (18261, 1106077), (22573, 894789), (42609, 474033), (67719, 298263), (99421, 203157), (127827, 158011)]