20913522

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1109}}^1$

素因数の和:1570

約数の個数: 32

約数和(自身を含む): 47952000

約数和(自身を除く): 27038478

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 449, 898, 1109, 1347, 2218, 2694, 3143, 3327, 6286, 6654, 7763, 9429, 15526, 18858, 23289, 46578, 497941, 995882, 1493823, 2987646, 3485587, 6971174, 10456761, 20913522]

約数ペア:

[(1, 20913522), (2, 10456761), (3, 6971174), (6, 3485587), (7, 2987646), (14, 1493823), (21, 995882), (42, 497941), (449, 46578), (898, 23289), (1109, 18858), (1347, 15526), (2218, 9429), (2694, 7763), (3143, 6654), (3327, 6286)]