20339538

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{178417}}^1$

素因数の和:178441

約数の個数: 16

約数和(自身を含む): 42820320

約数和(自身を除く): 22480782

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 178417, 356834, 535251, 1070502, 3389923, 6779846, 10169769, 20339538]

約数ペア:

[(1, 20339538), (2, 10169769), (3, 6779846), (6, 3389923), (19, 1070502), (38, 535251), (57, 356834), (114, 178417)]