20193396573

素因数分解:

$3^1\times 7^1\times {\mathrm{2909}}^1\times {\mathrm{330557}}^1$

素因数の和:333476

約数の個数: 16

約数和(自身を含む): 30781560960

約数和(自身を除く): 10588164387

約数列:

[1, 3, 7, 21, 2909, 8727, 20363, 61089, 330557, 991671, 2313899, 6941697, 961590313, 2884770939, 6731132191, 20193396573]

約数ペア:

[(1, 20193396573), (3, 6731132191), (7, 2884770939), (21, 961590313), (2909, 6941697), (8727, 2313899), (20363, 991671), (61089, 330557)]