20487642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{761}}^1$

素因数の和:1414

約数の個数: 32

約数和(自身を含む): 46963584

約数和(自身を除く): 26475942

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 641, 761, 1282, 1522, 1923, 2283, 3846, 4487, 4566, 5327, 8974, 10654, 13461, 15981, 26922, 31962, 487801, 975602, 1463403, 2926806, 3414607, 6829214, 10243821, 20487642]

約数ペア:

[(1, 20487642), (2, 10243821), (3, 6829214), (6, 3414607), (7, 2926806), (14, 1463403), (21, 975602), (42, 487801), (641, 31962), (761, 26922), (1282, 15981), (1522, 13461), (1923, 10654), (2283, 8974), (3846, 5327), (4487, 4566)]