20065232

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:851

約数の個数: 40

約数和(自身を含む): 42720480

約数和(自身を除く): 22655248

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 173, 176, 346, 659, 692, 1318, 1384, 1903, 2636, 2768, 3806, 5272, 7249, 7612, 10544, 14498, 15224, 28996, 30448, 57992, 114007, 115984, 228014, 456028, 912056, 1254077, 1824112, 2508154, 5016308, 10032616, 20065232]

約数ペア:

[(1, 20065232), (2, 10032616), (4, 5016308), (8, 2508154), (11, 1824112), (16, 1254077), (22, 912056), (44, 456028), (88, 228014), (173, 115984), (176, 114007), (346, 57992), (659, 30448), (692, 28996), (1318, 15224), (1384, 14498), (1903, 10544), (2636, 7612), (2768, 7249), (3806, 5272)]