20176788212

素因数分解:

$2^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{430723}}^1$

素因数の和:430980

約数の個数: 36

約数和(自身を含む): 41246130240

約数和(自身を除く): 21069342028

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 239, 478, 956, 1673, 3346, 6692, 11711, 23422, 46844, 430723, 861446, 1722892, 3015061, 6030122, 12060244, 21105427, 42210854, 84421708, 102942797, 205885594, 411771188, 720599579, 1441199158, 2882398316, 5044197053, 10088394106, 20176788212]

約数ペア:

[(1, 20176788212), (2, 10088394106), (4, 5044197053), (7, 2882398316), (14, 1441199158), (28, 720599579), (49, 411771188), (98, 205885594), (196, 102942797), (239, 84421708), (478, 42210854), (956, 21105427), (1673, 12060244), (3346, 6030122), (6692, 3015061), (11711, 1722892), (23422, 861446), (46844, 430723)]