20184877701

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{691}}^1\times {\mathrm{7673}}^1$

素因数の和:8423

約数の個数: 40

約数和(自身を含む): 30842849664

約数和(自身を除く): 10657971963

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 691, 1269, 2073, 3807, 6219, 7673, 18657, 23019, 32477, 55971, 69057, 97431, 207171, 292293, 360631, 621513, 876879, 1081893, 2630637, 3245679, 5302043, 9737037, 15906129, 29211111, 47718387, 143155161, 249196021, 429465483, 747588063, 2242764189, 6728292567, 20184877701]

約数ペア:

[(1, 20184877701), (3, 6728292567), (9, 2242764189), (27, 747588063), (47, 429465483), (81, 249196021), (141, 143155161), (423, 47718387), (691, 29211111), (1269, 15906129), (2073, 9737037), (3807, 5302043), (6219, 3245679), (7673, 2630637), (18657, 1081893), (23019, 876879), (32477, 621513), (55971, 360631), (69057, 292293), (97431, 207171)]