20822270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2729}}^1$

素因数の和:2852

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 22420930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2729, 3815, 5458, 7630, 13645, 19103, 27290, 38206, 95515, 191030, 297461, 594922, 1487305, 2082227, 2974610, 4164454, 10411135, 20822270]

約数ペア:

[(1, 20822270), (2, 10411135), (5, 4164454), (7, 2974610), (10, 2082227), (14, 1487305), (35, 594922), (70, 297461), (109, 191030), (218, 95515), (545, 38206), (763, 27290), (1090, 19103), (1526, 13645), (2729, 7630), (3815, 5458)]