20123571483

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{688621}}^1$

素因数の和:688835

約数の個数: 24

約数和(自身を含む): 30938409216

約数和(自身を除く): 10814837733

約数列:

[1, 3, 9, 17, 51, 153, 191, 573, 1719, 3247, 9741, 29223, 688621, 2065863, 6197589, 11706557, 35119671, 105359013, 131526611, 394579833, 1183739499, 2235952387, 6707857161, 20123571483]

約数ペア:

[(1, 20123571483), (3, 6707857161), (9, 2235952387), (17, 1183739499), (51, 394579833), (153, 131526611), (191, 105359013), (573, 35119671), (1719, 11706557), (3247, 6197589), (9741, 2065863), (29223, 688621)]