66653420

素因数分解:

$2^2\times 5^1\times {\mathrm{853}}^1\times {\mathrm{3907}}^1$

素因数の和:4769

約数の個数: 24

約数和(自身を含む): 140172144

約数和(自身を除く): 73518724

約数列:

[1, 2, 4, 5, 10, 20, 853, 1706, 3412, 3907, 4265, 7814, 8530, 15628, 17060, 19535, 39070, 78140, 3332671, 6665342, 13330684, 16663355, 33326710, 66653420]

約数ペア:

[(1, 66653420), (2, 33326710), (4, 16663355), (5, 13330684), (10, 6665342), (20, 3332671), (853, 78140), (1706, 39070), (3412, 19535), (3907, 17060), (4265, 15628), (7814, 8530)]