15691880020

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{865043}}^1$

素因数の和:865959

約数の個数: 24

約数和(自身を含む): 32989317984

約数和(自身を除く): 17297437964

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 3628, 4535, 9070, 18140, 865043, 1730086, 3460172, 4325215, 8650430, 17300860, 784594001, 1569188002, 3138376004, 3922970005, 7845940010, 15691880020]

約数ペア:

[(1, 15691880020), (2, 7845940010), (4, 3922970005), (5, 3138376004), (10, 1569188002), (20, 784594001), (907, 17300860), (1814, 8650430), (3628, 4325215), (4535, 3460172), (9070, 1730086), (18140, 865043)]