20315772

素因数分解:

$2^2\times 3^6\times {\mathrm{6967}}^1$

素因数の和:6989

約数の個数: 42

約数和(自身を含む): 53312168

約数和(自身を除く): 32996396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 6967, 13934, 20901, 27868, 41802, 62703, 83604, 125406, 188109, 250812, 376218, 564327, 752436, 1128654, 1692981, 2257308, 3385962, 5078943, 6771924, 10157886, 20315772]

約数ペア:

[(1, 20315772), (2, 10157886), (3, 6771924), (4, 5078943), (6, 3385962), (9, 2257308), (12, 1692981), (18, 1128654), (27, 752436), (36, 564327), (54, 376218), (81, 250812), (108, 188109), (162, 125406), (243, 83604), (324, 62703), (486, 41802), (729, 27868), (972, 20901), (1458, 13934), (2916, 6967)]