20143216

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 41140224

約数和(自身を除く): 20997008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 127, 184, 254, 368, 431, 508, 862, 1016, 1724, 2032, 2921, 3448, 5842, 6896, 9913, 11684, 19826, 23368, 39652, 46736, 54737, 79304, 109474, 158608, 218948, 437896, 875792, 1258951, 2517902, 5035804, 10071608, 20143216]

約数ペア:

[(1, 20143216), (2, 10071608), (4, 5035804), (8, 2517902), (16, 1258951), (23, 875792), (46, 437896), (92, 218948), (127, 158608), (184, 109474), (254, 79304), (368, 54737), (431, 46736), (508, 39652), (862, 23368), (1016, 19826), (1724, 11684), (2032, 9913), (2921, 6896), (3448, 5842)]