12921620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9643}}^1$

素因数の和:9719

約数の個数: 24

約数和(自身を含む): 27543264

約数和(自身を除く): 14621644

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 9643, 19286, 38572, 48215, 96430, 192860, 646081, 1292162, 2584324, 3230405, 6460810, 12921620]

約数ペア:

[(1, 12921620), (2, 6460810), (4, 3230405), (5, 2584324), (10, 1292162), (20, 646081), (67, 192860), (134, 96430), (268, 48215), (335, 38572), (670, 19286), (1340, 9643)]