20125588

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 42223104

約数和(自身を除く): 22097516

約数列:

[1, 2, 4, 7, 14, 28, 41, 47, 82, 94, 164, 188, 287, 329, 373, 574, 658, 746, 1148, 1316, 1492, 1927, 2611, 3854, 5222, 7708, 10444, 13489, 15293, 17531, 26978, 30586, 35062, 53956, 61172, 70124, 107051, 122717, 214102, 245434, 428204, 490868, 718771, 1437542, 2875084, 5031397, 10062794, 20125588]

約数ペア:

[(1, 20125588), (2, 10062794), (4, 5031397), (7, 2875084), (14, 1437542), (28, 718771), (41, 490868), (47, 428204), (82, 245434), (94, 214102), (164, 122717), (188, 107051), (287, 70124), (329, 61172), (373, 53956), (574, 35062), (658, 30586), (746, 26978), (1148, 17531), (1316, 15293), (1492, 13489), (1927, 10444), (2611, 7708), (3854, 5222)]