20949363

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1187}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 31691088

約数和(自身を除く): 10741725

約数列:

[1, 3, 9, 37, 53, 111, 159, 333, 477, 1187, 1961, 3561, 5883, 10683, 17649, 43919, 62911, 131757, 188733, 395271, 566199, 2327707, 6983121, 20949363]

約数ペア:

[(1, 20949363), (3, 6983121), (9, 2327707), (37, 566199), (53, 395271), (111, 188733), (159, 131757), (333, 62911), (477, 43919), (1187, 17649), (1961, 10683), (3561, 5883)]