20790765772

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1158389}}^1$

素因数の和:1159041

約数の個数: 24

約数和(自身を含む): 41646437280

約数和(自身を除く): 20855671508

約数列:

[1, 2, 4, 7, 14, 28, 641, 1282, 2564, 4487, 8974, 17948, 1158389, 2316778, 4633556, 8108723, 16217446, 32434892, 742527349, 1485054698, 2970109396, 5197691443, 10395382886, 20790765772]

約数ペア:

[(1, 20790765772), (2, 10395382886), (4, 5197691443), (7, 2970109396), (14, 1485054698), (28, 742527349), (641, 32434892), (1282, 16217446), (2564, 8108723), (4487, 4633556), (8974, 2316778), (17948, 1158389)]