20280936

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65003}}^1$

素因数の和:65025

約数の個数: 32

約数和(自身を含む): 54603360

約数和(自身を除く): 34322424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65003, 130006, 195009, 260012, 390018, 520024, 780036, 845039, 1560072, 1690078, 2535117, 3380156, 5070234, 6760312, 10140468, 20280936]

約数ペア:

[(1, 20280936), (2, 10140468), (3, 6760312), (4, 5070234), (6, 3380156), (8, 2535117), (12, 1690078), (13, 1560072), (24, 845039), (26, 780036), (39, 520024), (52, 390018), (78, 260012), (104, 195009), (156, 130006), (312, 65003)]