20737388

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3413}}^1$

素因数の和:3462

約数の個数: 36

約数和(自身を含む): 43589952

約数和(自身を除く): 22852564

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3413, 6076, 6826, 13652, 23891, 47782, 95564, 105803, 167237, 211606, 334474, 423212, 668948, 740621, 1481242, 2962484, 5184347, 10368694, 20737388]

約数ペア:

[(1, 20737388), (2, 10368694), (4, 5184347), (7, 2962484), (14, 1481242), (28, 740621), (31, 668948), (49, 423212), (62, 334474), (98, 211606), (124, 167237), (196, 105803), (217, 95564), (434, 47782), (868, 23891), (1519, 13652), (3038, 6826), (3413, 6076)]