16501420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63467}}^1$

素因数の和:63489

約数の個数: 24

約数和(自身を含む): 37319184

約数和(自身を除く): 20817764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 63467, 126934, 253868, 317335, 634670, 825071, 1269340, 1650142, 3300284, 4125355, 8250710, 16501420]

約数ペア:

[(1, 16501420), (2, 8250710), (4, 4125355), (5, 3300284), (10, 1650142), (13, 1269340), (20, 825071), (26, 634670), (52, 317335), (65, 253868), (130, 126934), (260, 63467)]