20159783960

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{816847}}^1$

素因数の和:817475

約数の個数: 32

約数和(自身を含む): 45433085760

約数和(自身を除く): 25273301800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 4936, 6170, 12340, 24680, 816847, 1633694, 3267388, 4084235, 6534776, 8168470, 16336940, 32673880, 503994599, 1007989198, 2015978396, 2519972995, 4031956792, 5039945990, 10079891980, 20159783960]

約数ペア:

[(1, 20159783960), (2, 10079891980), (4, 5039945990), (5, 4031956792), (8, 2519972995), (10, 2015978396), (20, 1007989198), (40, 503994599), (617, 32673880), (1234, 16336940), (2468, 8168470), (3085, 6534776), (4936, 4084235), (6170, 3267388), (12340, 1633694), (24680, 816847)]