20403774561

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1951}}^1\times {\mathrm{4363}}^1$

素因数の和:6381

約数の個数: 32

約数和(自身を含む): 29440032768

約数和(自身を除く): 9036258207

約数列:

[1, 3, 17, 47, 51, 141, 799, 1951, 2397, 4363, 5853, 13089, 33167, 74171, 91697, 99501, 205061, 222513, 275091, 615183, 1558849, 3486037, 4676547, 8512213, 10458111, 25536639, 144707621, 400074011, 434122863, 1200222033, 6801258187, 20403774561]

約数ペア:

[(1, 20403774561), (3, 6801258187), (17, 1200222033), (47, 434122863), (51, 400074011), (141, 144707621), (799, 25536639), (1951, 10458111), (2397, 8512213), (4363, 4676547), (5853, 3486037), (13089, 1558849), (33167, 615183), (74171, 275091), (91697, 222513), (99501, 205061)]