20669835

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 34036992

約数和(自身を除く): 13367157

約数列:

[1, 3, 5, 15, 67, 131, 157, 201, 335, 393, 471, 655, 785, 1005, 1965, 2355, 8777, 10519, 20567, 26331, 31557, 43885, 52595, 61701, 102835, 131655, 157785, 308505, 1377989, 4133967, 6889945, 20669835]

約数ペア:

[(1, 20669835), (3, 6889945), (5, 4133967), (15, 1377989), (67, 308505), (131, 157785), (157, 131655), (201, 102835), (335, 61701), (393, 52595), (471, 43885), (655, 31557), (785, 26331), (1005, 20567), (1965, 10519), (2355, 8777)]