20377203

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5189}}^1$

素因数の和:5227

約数の個数: 32

約数和(自身を含む): 35873280

約数和(自身を除く): 15496077

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5189, 15567, 36323, 57079, 88213, 108969, 171237, 264639, 399553, 617491, 970343, 1198659, 1852473, 2911029, 6792401, 20377203]

約数ペア:

[(1, 20377203), (3, 6792401), (7, 2911029), (11, 1852473), (17, 1198659), (21, 970343), (33, 617491), (51, 399553), (77, 264639), (119, 171237), (187, 108969), (231, 88213), (357, 57079), (561, 36323), (1309, 15567), (3927, 5189)]