20871592

素因数分解:

$2^3\times 7^1\times {\mathrm{372707}}^1$

素因数の和:372720

約数の個数: 16

約数和(自身を含む): 44724960

約数和(自身を除く): 23853368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 372707, 745414, 1490828, 2608949, 2981656, 5217898, 10435796, 20871592]

約数ペア:

[(1, 20871592), (2, 10435796), (4, 5217898), (7, 2981656), (8, 2608949), (14, 1490828), (28, 745414), (56, 372707)]