20778408

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41227}}^1$

素因数の和:41246

約数の個数: 48

約数和(自身を含む): 64315680

約数和(自身を除く): 43537272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41227, 82454, 123681, 164908, 247362, 288589, 329816, 371043, 494724, 577178, 742086, 865767, 989448, 1154356, 1484172, 1731534, 2308712, 2597301, 2968344, 3463068, 5194602, 6926136, 10389204, 20778408]

約数ペア:

[(1, 20778408), (2, 10389204), (3, 6926136), (4, 5194602), (6, 3463068), (7, 2968344), (8, 2597301), (9, 2308712), (12, 1731534), (14, 1484172), (18, 1154356), (21, 989448), (24, 865767), (28, 742086), (36, 577178), (42, 494724), (56, 371043), (63, 329816), (72, 288589), (84, 247362), (126, 164908), (168, 123681), (252, 82454), (504, 41227)]