20727834071

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{33889}}^1$

素因数の和:34079

約数の個数: 32

約数和(自身を含む): 25767244800

約数和(自身を除く): 5039410729

約数列:

[1, 7, 23, 29, 131, 161, 203, 667, 917, 3013, 3799, 4669, 21091, 26593, 33889, 87377, 237223, 611639, 779447, 982781, 4439459, 5456129, 6879467, 22603963, 31076213, 102107557, 128744311, 158227741, 714752899, 901210177, 2961119153, 20727834071]

約数ペア:

[(1, 20727834071), (7, 2961119153), (23, 901210177), (29, 714752899), (131, 158227741), (161, 128744311), (203, 102107557), (667, 31076213), (917, 22603963), (3013, 6879467), (3799, 5456129), (4669, 4439459), (21091, 982781), (26593, 779447), (33889, 611639), (87377, 237223)]