20147692012

素因数分解:

$2^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{487177}}^1$

素因数の和:487406

約数の個数: 36

約数和(自身を含む): 41209412664

約数和(自身を除く): 21061720652

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 211, 422, 844, 1477, 2954, 5908, 10339, 20678, 41356, 487177, 974354, 1948708, 3410239, 6820478, 13640956, 23871673, 47743346, 95486692, 102794347, 205588694, 411177388, 719560429, 1439120858, 2878241716, 5036923003, 10073846006, 20147692012]

約数ペア:

[(1, 20147692012), (2, 10073846006), (4, 5036923003), (7, 2878241716), (14, 1439120858), (28, 719560429), (49, 411177388), (98, 205588694), (196, 102794347), (211, 95486692), (422, 47743346), (844, 23871673), (1477, 13640956), (2954, 6820478), (5908, 3410239), (10339, 1948708), (20678, 974354), (41356, 487177)]