20105787536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66137459}}^1$

素因数の和:66137486

約数の個数: 20

約数和(自身を含む): 41005225200

約数和(自身を除く): 20899437664

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66137459, 132274918, 264549836, 529099672, 1058199344, 1256611721, 2513223442, 5026446884, 10052893768, 20105787536]

約数ペア:

[(1, 20105787536), (2, 10052893768), (4, 5026446884), (8, 2513223442), (16, 1256611721), (19, 1058199344), (38, 529099672), (76, 264549836), (152, 132274918), (304, 66137459)]