17542940

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1327}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 36923712

約数和(自身を除く): 19380772

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 1327, 2644, 2654, 3305, 5308, 6610, 6635, 13220, 13270, 26540, 877147, 1754294, 3508588, 4385735, 8771470, 17542940]

約数ペア:

[(1, 17542940), (2, 8771470), (4, 4385735), (5, 3508588), (10, 1754294), (20, 877147), (661, 26540), (1322, 13270), (1327, 13220), (2644, 6635), (2654, 6610), (3305, 5308)]