20896604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 41803776

約数和(自身を除く): 20907172

約数列:

[1, 2, 4, 17, 23, 31, 34, 46, 62, 68, 92, 124, 391, 431, 527, 713, 782, 862, 1054, 1426, 1564, 1724, 2108, 2852, 7327, 9913, 12121, 13361, 14654, 19826, 24242, 26722, 29308, 39652, 48484, 53444, 168521, 227137, 307303, 337042, 454274, 614606, 674084, 908548, 1229212, 5224151, 10448302, 20896604]

約数ペア:

[(1, 20896604), (2, 10448302), (4, 5224151), (17, 1229212), (23, 908548), (31, 674084), (34, 614606), (46, 454274), (62, 337042), (68, 307303), (92, 227137), (124, 168521), (391, 53444), (431, 48484), (527, 39652), (713, 29308), (782, 26722), (862, 24242), (1054, 19826), (1426, 14654), (1564, 13361), (1724, 12121), (2108, 9913), (2852, 7327)]