20381849872

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{3361123}}^1$

素因数の和:3361510

約数の個数: 20

約数和(自身を含む): 39594040720

約数和(自身を除く): 19212190848

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 6064, 3361123, 6722246, 13444492, 26888984, 53777968, 1273865617, 2547731234, 5095462468, 10190924936, 20381849872]

約数ペア:

[(1, 20381849872), (2, 10190924936), (4, 5095462468), (8, 2547731234), (16, 1273865617), (379, 53777968), (758, 26888984), (1516, 13444492), (3032, 6722246), (6064, 3361123)]