20619088

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3917}}^1$

素因数の和:3979

約数の個数: 40

約数和(自身を含む): 46639872

約数和(自身を除く): 26020784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 3917, 5264, 7834, 15668, 27419, 31336, 54838, 62672, 109676, 184099, 219352, 368198, 438704, 736396, 1288693, 1472792, 2577386, 2945584, 5154772, 10309544, 20619088]

約数ペア:

[(1, 20619088), (2, 10309544), (4, 5154772), (7, 2945584), (8, 2577386), (14, 1472792), (16, 1288693), (28, 736396), (47, 438704), (56, 368198), (94, 219352), (112, 184099), (188, 109676), (329, 62672), (376, 54838), (658, 31336), (752, 27419), (1316, 15668), (2632, 7834), (3917, 5264)]