20201472070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155395939}}^1$

素因数の和:155395959

約数の個数: 16

約数和(自身を含む): 39159776880

約数和(自身を除く): 18958304810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155395939, 310791878, 776979695, 1553959390, 2020147207, 4040294414, 10100736035, 20201472070]

約数ペア:

[(1, 20201472070), (2, 10100736035), (5, 4040294414), (10, 2020147207), (13, 1553959390), (26, 776979695), (65, 310791878), (130, 155395939)]