20521812

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 50041152

約数和(自身を除く): 29519340

約数列:

[1, 2, 3, 4, 6, 12, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 492, 636, 787, 1574, 2173, 2361, 3148, 4346, 4722, 6519, 8692, 9444, 13038, 26076, 32267, 41711, 64534, 83422, 96801, 125133, 129068, 166844, 193602, 250266, 387204, 500532, 1710151, 3420302, 5130453, 6840604, 10260906, 20521812]

約数ペア:

[(1, 20521812), (2, 10260906), (3, 6840604), (4, 5130453), (6, 3420302), (12, 1710151), (41, 500532), (53, 387204), (82, 250266), (106, 193602), (123, 166844), (159, 129068), (164, 125133), (212, 96801), (246, 83422), (318, 64534), (492, 41711), (636, 32267), (787, 26076), (1574, 13038), (2173, 9444), (2361, 8692), (3148, 6519), (4346, 4722)]