20405473

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1361}}^1$

素因数の和:1448

約数の個数: 16

約数和(自身を含む): 23535360

約数和(自身を除く): 3129887

約数列:

[1, 11, 29, 47, 319, 517, 1361, 1363, 14971, 14993, 39469, 63967, 434159, 703637, 1855043, 20405473]

約数ペア:

[(1, 20405473), (11, 1855043), (29, 703637), (47, 434159), (319, 63967), (517, 39469), (1361, 14993), (1363, 14971)]