20978166

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16729}}^1$

素因数の和:16764

約数の個数: 32

約数和(自身を含む): 48182400

約数和(自身を除く): 27204234

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 16729, 33458, 50187, 100374, 184019, 317851, 368038, 552057, 635702, 953553, 1104114, 1907106, 3496361, 6992722, 10489083, 20978166]

約数ペア:

[(1, 20978166), (2, 10489083), (3, 6992722), (6, 3496361), (11, 1907106), (19, 1104114), (22, 953553), (33, 635702), (38, 552057), (57, 368038), (66, 317851), (114, 184019), (209, 100374), (418, 50187), (627, 33458), (1254, 16729)]