20005936988

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{3253}}^1\times {\mathrm{4259}}^1$

素因数の和:7554

約数の個数: 36

約数和(自身を含む): 36970060680

約数和(自身を除く): 16964123692

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 3253, 4259, 6506, 8518, 13012, 17036, 61807, 80921, 123614, 161842, 247228, 323684, 1174333, 1537499, 2348666, 3074998, 4697332, 6149996, 13854527, 27709054, 55418108, 263236013, 526472026, 1052944052, 5001484247, 10002968494, 20005936988]

約数ペア:

[(1, 20005936988), (2, 10002968494), (4, 5001484247), (19, 1052944052), (38, 526472026), (76, 263236013), (361, 55418108), (722, 27709054), (1444, 13854527), (3253, 6149996), (4259, 4697332), (6506, 3074998), (8518, 2348666), (13012, 1537499), (17036, 1174333), (61807, 323684), (80921, 247228), (123614, 161842)]